S2 Medical Visa (Private Affairs) for China Treatment: 180-Day Stay Guide

S2 Medical Visa (Private Affairs) for China Treatment: Up to 180 Days

For patients undergoing complex, multi-stage, or extended medical treatment in China -- procedures requiring more than the 30 days offered by visa-free entry -- the S2 Private Affairs Visa is the correct pathway. This visa class is explicitly designed for individuals visiting China for private reasons, including medical treatment, and permits stays of up to 180 days (with the option to extend).

This guide walks you through every step of the S2 visa application specifically for medical travelers.

What Is the S2 Visa?

The S2 visa is a short-term private affairs visa issued by Chinese embassies and consulates abroad. Relevant to medical travel, it covers:

• Direct medical treatment at a Chinese hospital
• Accompanying examination or surgery
• Post-operative recovery and follow-up in China
• Escort by family members

Duration: Single-entry or double-entry, each stay up to 180 days. Multiple-entry S2 visas (valid 6-12 months, up to 90 days per stay) are also possible in some cases.

Required Documents

1. Passport

• Original passport with at least 6 months remaining validity
• Minimum 2 blank visa pages
• Photocopy of the biographical information page

2. Visa Application Form (Form COVA)

• Complete the online form at cova.mfa.gov.cn
• Print and sign the confirmation page and the full application
• One recent passport-size photo (48mm x 33mm, white background, affixed to the form)

3. Hospital Invitation Letter (关键文件 -- Critical Document)

This is the most important supporting document. It must be:

• Issued by a Tier-3A or accredited Chinese hospital on official letterhead
• Stamped with the hospital's official seal (公章) or the international department seal
• Signed by an authorized hospital administrator
• Addressed to the Chinese embassy/consulate in the applicant's country
• Written in Chinese (or bilingual Chinese-English)

The letter should include:

• Applicant's full name and passport number
• Confirmed diagnosis (with ICD-10 code where applicable)
• Proposed treatment plan and estimated duration
• Hospital name, department, and contact information
• Statement accepting the patient for treatment

4. Medical Summary

• A detailed medical summary in English (or the applicant's home-country language)
• Certified Chinese translation (can be done by a certified translation agency or the hospital's international department)
• Should include: diagnosis, ICD-10 code, current medications, relevant surgical history, referring physician's name and contact
• Prior test results: blood work, ECG, imaging reports

5. DICOM Imaging Files (if applicable)

• For surgical or interventional cases: original DICOM-format imaging files
• X-rays, CT scans, MRIs, angiograms on CD/DVD or USB drive
• Many Chinese hospitals also accept emailed DICOM files pre-arrival

6. Pathology Reports (if applicable)

• For cancer or tumor cases: original pathology slides and reports
• Representative tissue blocks may also be requested

7. Proof of Funds

• Recent bank statements (last 3-6 months) showing approximately $10,000 USD or equivalent
• The amount should reasonably cover the estimated treatment costs plus living expenses
• A letter from your employer or pension authority confirming income (helpful but not mandatory)
• For patients covered by international health insurance: a letter from the insurance provider confirming coverage for treatment in China

8. Round-Trip Flight Itinerary

• Confirmed or reserved round-trip flights showing planned entry and exit dates
• Single-entry tickets are acceptable for longer stays

9. Accommodation Proof

• Hotel booking confirmation OR
• Invitation letter from a Chinese host (with copy of host's Chinese ID or residence permit) if staying in private accommodation

10. Vaccination Certificate (Yellow Book)

• Not always required, but recommended
• Some consulates may ask for proof of COVID-19 vaccination or other routine vaccinations

Processing Time and Cost

Step	Duration	Fee (USD, approximate)
Document preparation	1-3 weeks (varies)	$50-$200 (translation, hospital coordination)
Hospital invitation letter	3-10 working days	$0-$100 (varies by hospital)
Visa processing	4 working days (standard)	$30-$140 (varies by nationality and reciprocity)
Expedited processing	2-3 working days	Additional $20-$40
Total timeline	2-5 weeks	$100-$500 total administrative cost

Step-by-Step Application Guide

Step 1: Identify your referring doctor and gather medical records. Obtain a detailed medical summary from your current physician. Include all diagnostic reports, imaging files, and pathology slides.

Step 2: Engage a Chinese hospital. Submit your medical records to the international patient department of your chosen hospital. The hospital reviews your case, confirms treatment feasibility, and issues the stamped invitation letter.

Step 3: Translate documents. Arrange certified Chinese translation of your medical summary and any other non-Chinese documents. A professional medical translator should handle this.

Step 4: Complete the COVA online form. Visit cova.mfa.gov.cn, select "Private Affairs (S2)" as visa type, fill in all fields, upload your photo, and print the confirmation.

Step 5: Submit to the Chinese embassy/consulate. Visit the Chinese embassy or consulate with jurisdiction over your place of residence. You may need to book an appointment slot. Submit all original documents plus photocopies.

Step 6: Attend the interview (if required). Some consulates require a brief in-person interview. Questions typically cover: purpose of travel, treatment plan, duration of stay, proof of funds, and return intention.

Step 7: Collect your passport. Standard processing is 4 working days. Expedited (2-3 working days) is available at most consulates for an additional fee.

Accompanying Family Members: S2 Visa for Escorts

Immediate family members (spouse, parents, siblings, children over 18) can apply for the S2 visa as "escorts" or "companions" for medical travel:

• Submit the same COVA form (select "Private Affairs -- accompanying family member")
• Include a letter from the patient confirming the relationship and need for accompaniment
• Submit proof of family relationship (marriage certificate, birth certificate, etc.)
• Same document requirements apply (passport, photo, form, funds)
• The hospital invitation letter should ideally mention the accompanying family member's name

Important Considerations

Medical insurance: Chinese hospitals treat international patients as private-pay (self-pay) patients. The hospital will require a deposit before admission (typically 50-80% of estimated costs). International travel health insurance that specifically covers China and inpatient treatment is strongly recommended.

Extending your S2 visa: If treatment requires longer than the initial S2 visa permits, apply for an extension at the local Exit-Entry Administration Bureau at least 30 days before expiry. Bring the hospital's updated treatment plan and a letter confirming ongoing treatment needs.

Converting to a residence permit: For treatment exceeding 180 days, applicants may apply to convert the S2 visa to a private affairs residence permit, valid for 1-5 years.

Common Pitfalls to Avoid

Mistake	Consequence	Solution
Submitting unstamped hospital letter	Application rejected	Ensure the hospital's red seal (公章) is affixed
Missing ICD-10 code in medical summary	Delay or RFE	Ask your doctor to include ICD-10 codes
Insufficient funds proof	Visa denied	Show $10K+ in bank statements
Wrong visa category (L instead of S2)	Entry denied or limited stay	Always select S2 for treatment > 30 days
Photo not meeting specifications	Form rejected	Follow the 48mm x 33mm, white background, no glasses rule

Getting Assistance

ChinaCareVisit coordinates the full S2 visa process: hospital matching, invitation letter procurement, document translation, application form review, and itinerary planning. We are not a visa agency -- we are your administrative partner ensuring every document requirement is met before submission. Contact us for a free eligibility review.

Disclaimer: Visa policies are subject to change. This guide reflects current regulations as of July 2026. ChinaCareVisit provides administrative guidance only; final visa decisions rest with Chinese diplomatic missions and immigration authorities.