Within 24 hours. According to the query of relevant public information, the surgical record should be completed within 24 hours after the operation. The surgical record is generally written by the surgeon. In special or emergency situations, it is written by the first assistant and should be signed by the surgeon. The surgical record should be written in a correct format, with complete content, correct information, and clear records. After the writing is completed, it should be properly kept by the doctor. Patients have the right to view and copy their own surgical records. The surgical records are important medical records and are also important for improving their own skills. To ensure the level of scientific research, doctors should write and save in strict accordance with the regulations.