The current clinical use of modified electroconvulsive therapy (MECT), intravenous injection of anesthetics and muscle relaxants before treatment, compared with previous electroconvulsive therapy, with no convulsive episodes, can avoid the risk of fracture, link dislocation and other complications occur, more secure. Treatment: 1, improve the relevant examination, clarify the indications and contraindications, obtain informed consent, fasting on food and water for 8 hours before treatment, suspending the use of related drugs that affect the therapeutic effect, will be ready to resuscitate medicines and items, monitoring vital signs, etc.; 2, intramuscular injection of atropine to reduce secretion secretion, intravenous injection of propofol anesthesia induction, intravenous injection of succinylcholine to make the muscle relaxation, and when the situation permits, to energize and observe the situation during the seizure, so as to achieve the role of treating mental illness.