Some of the main hazards or side effects of the current widely practiced convulsion-free electroconvulsive therapy are mainly headache, nausea, vomiting, anxiety, etc., or reversible memory loss and generalized muscle aches and pains, but none of these symptoms tend to require special treatment. Because this treatment is relatively safe and effective, it is widely recognized clinically. Convulsion-free electroconvulsive therapy for depression, schizophrenia, or impulsive manic patients, the results are still relatively good. The above mentioned side effects, can also be said to be the harm of convulsion-free electroconvulsive therapy, are basically within the scope of control, if there is no absolute contraindication, the condition allows the case, it is recommended that this treatment can be applied.