The operating room is an important method for treating surgical diseases. Some family members of surgical patients do not understand why they need to sign before surgery, some family members have an indifferent attitude towards signing, and some even think that this is an excuse for doctors to shirk responsibility. Therefore, they are full of suspicion and anxiety, but forced by the pain of the disease, they have to do things reluctantly. In fact, the importance of surgical signatures has the following aspects: (1) Anesthetic drugs are mostly poisons and highly toxic drugs, which are more toxic than ordinary drugs. During anesthesia, due to the special effects of drugs, the patient's own physiological changes and adverse effects of the operation may occur. Stimulation, etc., some unexpected things often occur, such as laryngospasm, respiratory obstruction, arrhythmia and even cardiac arrest and other anesthesia accidents; (2) Anesthesia accidents and complications are not uniformly related to the size of the operation and the severity of the disease. Some operations Serious anesthesia accidents can occur even in minor cases. Therefore, the patient's family must be fully mentally prepared, not only to bear the risks of surgery, but also the risks of anesthesia; (3) Surgery has a certain amount of trauma on the human body and is a traumatic treatment. The patient must be consulted before performing the surgery. The consent of myself, my family, and the leaders of the unit; (4) If I am a cancer patient, in order to save my life, I need to undergo some "destructive" surgery, such as amputation or removal of some important organs, which will leave the patient with lifelong disability or loss. certain physiological functions. Patients and their families must understand these conditions and be fully mentally prepared to ensure that the operation goes smoothly; (5) Surgery and anesthesia are performed when the patient has reduced body resistance or certain organ dysfunction. With superb medical skills, some unexpected situations may occur during surgery. When a surgical or anesthesia accident occurs, medical staff can seek first-hand knowledge with the patient's family so that both parties can reach a unified opinion and actively cooperate with the rescue.