Medical photography should be carried out before and after cosmetic plastic surgery. Its main purposes are as follows: First, as the medical data before and after operation, it can be saved for patients and doctors to discuss and study. Second, it is kept as legal materials and can be presented as evidence in case of medical disputes. As for the use of surgical photos, professional medical staff in regular hospitals will have special regulations that will keep you confidential and protect the privacy of patients, so don't worry too much.