1. Invoice or receipt of medical expenses: All invoices or receipts of medical expenses during medical treatment shall be original or copies stamped with the official seal of the hospital.

2. Detailed list of medical expenses: The detailed list of medical expenses provided by the hospital must be the original or a copy stamped with the official seal of the hospital.

3. Outpatient medical records or inpatient medical records: the outpatient medical records or inpatient medical records during medical treatment shall be original or a copy stamped with the official seal of the hospital.

4. Social security card or medical card: hold a social security card or medical card issued by a medical hospital or social security institution.

5. ID card or other valid documents: hold a valid ID card or other valid documents.

6. Other certification materials that may be needed: such as discharge certificate, diagnosis certificate, medical insurance referral form, resident certificate, etc.