Schizophrenia is a chronic illness with a more than 90% probability of relapse within 2 years of self-medication discontinuation if not treated thoroughly. Maintenance medication for schizophrenia is very important. After the acute phase has improved and the patient’s main symptoms have improved, there is a consolidation period of 3-6 months. During this time, it is best not to change the dose of medication, but to maintain the dose of medication used in the acute treatment. After the consolidation period, the patient’s condition stabilizes and enters the maintenance treatment period, which is mainly to help the patient restore normal social function and prevent disease episodes. If the patient is having a first episode, it is recommended that the maintenance treatment period be 1-2 years, and if the patient has had multiple episodes, it is recommended that the maintenance treatment period be 3 years or longer. In some patients with recurrent episodes of schizophrenia, long-term maintenance treatment with medication or even lifelong medication is recommended for such patients.