1. Confirm the patient's identity: The hospital needs to confirm the patient's identity to ensure the legality and accuracy of the information change. Patients need to provide valid identification, such as ID card and household registration book.

2. Provide relevant supporting documents: Patients need to provide relevant supporting documents to prove that the information they need to change is correct. For example, patients need to change their names, and they need to provide household registration books, ID cards and other supporting documents.

3. Fill in the application form: the patient needs to fill in the application form for information change and sign to agree to change the information. The application form usually includes the patient's personal information, reasons for changing the information, supporting documents and other information.

4. Hospital audit: The hospital needs to audit patients' applications to ensure the legality and accuracy of information changes. After the approval, the hospital will change the information for patients.

5. Keep records: The hospital needs to keep records of patient information changes for future inquiry.