There are mainly the following cases of convulsions in patients after general anesthesia surgery: First, anesthesia reaction, some patients are not able to metabolize anesthetics faster after general anesthesia due to their weak constitution, which can cause a large amount of anesthetics to accumulate in the body, causing anesthetic reaction and convulsion symptoms. Patients need to be given 25mg of promethazine intramuscularly as soon as possible, while speeding up the infusion rate to promote faster metabolism of anesthetic in the body, which can reduce the symptoms of convulsions. Second, the surgery time is longer, the temperature in the operating room is lower, and the patient will have muscle twitching due to the cold stimulation. It is necessary to strengthen the warmth, and proper massage and physical therapy at the muscle can gradually relieve the twitching performance. Third, the loss of body fluids after general anesthesia can cause hypocalcemia, manifesting as hypocalcemic convulsions. It is necessary to supplement calcium gluconate as soon as possible to correct hypocalcemia and thus relieve the symptoms of convulsions.