The goals of maintenance treatment for schizophrenia are to maintain the patient in a good state and to maintain normal psychosocial functioning at the lowest possible dose, to monitor long-term medication, and to help the patient recover and reintegrate his or her personality. During stabilization, the effective dose of treatment in the acute phase is maintained for at least another 6 months, during which the patient may request a reduction in medication or stop taking medication because of adverse drug reactions or a reduction in the severity of the illness, and special attention should be paid to patients who relapse for this reason. The duration of maintenance therapy is generally not less than 2 years after the symptoms have subsided. If the patient is in a relapse situation, maintenance therapy is required for a longer period of time, and the patient may think that the disease is well or stop taking the medication on his or her own because the disease is stable and he or she does not want to continue taking too much medication despite the recommendations and does not want to tolerate the adverse drug reactions. Typical antipsychotic maintenance therapy is generally reduced to 1/4 – 1/5 of the therapeutic dose over a period of 3 – 6 months, and it is better to maintain as low a dose as possible. However, the dose should be increased when appropriate to prevent relapse, or regular outpatient follow-up. To avoid repeated relapses of the patient’s condition, the disease will be prolonged and become chronic, which will affect the prognosis.