The treatment of paranoid schizophrenia is still primarily treated with antipsychotic medications in adequate doses and regimens. Electroconvulsive therapy can be administered when necessary to control catatonic symptoms and excitatory impulses. During the remission period, treatment of psychology and rehabilitation needs to be strengthened to enhance patients’ compliance with treatment and recognition of the disease, and to promote the rehabilitation of patients’ social functions so that they can return to society early. Specific details are as follows: 1. Pharmacological treatment: In the acute phase, adequate therapeutic dose and treatment should be maintained for 6-8 weeks to rapidly control the patient’s psychiatric symptoms as the main purpose. The dose is slowly incremented until it exerts its highest effect, and should be used as much as possible as a single medication. For higher daily doses, it is generally advisable to administer the drug in divided doses. After the symptoms are effectively controlled, the treatment should be consolidated with the original effective dose of the original effective drug for 3-6 months, which is the consolidation period, supplemented with appropriate psychotherapy. The dose of medication during the maintenance period should be individualized and fully individualized; 2. electroconvulsive therapy: including traditional electroconvulsive therapy and modified electroconvulsive therapy, which is applicable to the symptoms of nervous symptom groups such as wood stiffness, excitement and mania, negative depression and severe hallucinatory delusions; 3. work and recreational psychotherapy: after the improvement of symptoms with antipsychotic medication, organized arrangements can be made for schizophrenic patients to participate in certain work, After the symptoms of antipsychotic medication have improved, organized arrangements can be made for schizophrenic patients to participate in certain work, labor, recreational and sports activities to promote recovery. After the patient’s symptoms have been relieved, psychotherapy can be administered appropriately according to the individual’s condition.