Schizophrenia has a high relapse rate, and the more relapses there are, the more severe the mental deficit caused by the disease, which places a huge burden on the patient, family, and society. Therefore, once you have schizophrenia, you should take measures to prevent relapse by all means, i.e., take measures in the absence of relapse. 1, adhere to the maintenance amount of medication treatment is the most effective relapse prevention measures: a large number of clinical statistics show that most of the relapse of schizophrenia is related to self-medication discontinuation. The relapse rate for patients who adhere to maintenance medication is 40%. The relapse rate for those who do not adhere to the maintenance dose is as high as 80%. Therefore, patients and families should pay great attention to maintenance treatment. 2, timely detection of relapse aura, timely treatment: relapse of schizophrenia is aura, as long as timely detection, timely adjustment of drugs and doses, generally can prevent relapse, common relapse aura: patients appear for no reason to sleep poorly, lazy, reluctant to get up, dazed and froze, emotional instability, unexplained tantrums, irritability, random thoughts, talk outrageous, or sick ideas again. At this time, you should seek medical attention in a timely manner, and adjust the treatment when the condition fluctuates timely treatment can prevent the relapse of the disease. 3, adhere to regular outpatient review: must adhere to regular outpatient review, so that the doctor continuous, dynamic understanding of the condition, so that patients are often under the medical supervision of psychiatrists, timely adjustment of medication according to changes in the condition. The review can also enable the end-user to receive timely consultation and psychotherapy to relieve the patient of various confusions in life, work and medication, which also plays an important role in preventing relapse of schizophrenia. 4, reduce the triggering factors: family members and the surrounding people should be fully aware of the weakness of the mental state of schizophrenia patients after the disease, and help arrange daily life, work and study. Talk to patients often, help them treat the disease correctly, treat real life correctly, help them improve their psychological tolerance, learn how to deal with stressful events, encourage them to increase their confidence, and guide them to live their lives to the fullest so that they can live in an environment free of psychological stress and mental distress. 5. Carrying out community psychiatric prevention and treatment: To detect patients early, treat them early and prevent relapse, it is necessary to establish institutions for the prevention and treatment of mental illness in society and to popularize the knowledge of prevention and treatment of mental illness in grassroots health care organizations. Since the establishment of community psychiatric prevention and treatment institutions, the relapse rate of schizophrenia has decreased more significantly.