Development and Application of Precision Treatment Strategies for Common Mental Disorders

Inclusion Criteria: * Schizophrenia: (1) Age 18-65 years, no gender restriction, Han ethnicity; (2) Diagnosis confirmed using the MINI-International Neuropsychiatric Interview (MINI) tool, meeting the DSM-5 criteria for schizophrenia; (3) Baseline Positive and Negative Syndrome Scale (PANSS) score ≥ 60; (4) Education level of middle school or higher, no language barriers, able to cooperate with assessment and treatment, and informed consent obtained from the patient or guardian. * Depressive Disorder: (1) Age 18-65 years, no gender restriction, Han ethnicity; (2) Diagnosis confirmed using the MINI tool, meeting the DSM-5 criteria for depressive disorder; (3) Baseline Hamilton Depression Rating Scale (HAMD-17) score ≥ 17; (4) Education level of middle school or higher, no language barriers, able to cooperate with assessment and treatment, and informed consent obtained from the patient or guardian. * Bipolar Disorder: (1) Age 18-65 years, no gender restriction, Han ethnicity; (2) Diagnosis confirmed using the MINI tool, meeting the DSM-5 criteria for manic or hypomanic episodes in bipolar disorder; (3) Baseline Young Mania Rating Scale (YMRS) score ≥ 13; (4) Education level of middle school or higher, no language barriers, able to cooperate with assessment and treatment, and informed consent obtained from the patient or guardian. Exclusion Criteria: * Patients with a history of or currently meeting the DSM-5 criteria for the following diagnoses: organic mental disorders, schizoaffective disorder, intellectual disability, dementia, other cognitive disorders, alcohol or drug dependence, and Axis II disorders including personality disorders; * Patients with severe suicidal tendencies (as assessed by the MINI Chinese version suicide module with a moderate risk or higher), or those at risk of harming others; * Patients with severe or unstable physical illnesses; * Narrow-angle glaucoma; * A history of epilepsy or seizures; * Known pregnancy and/or breastfeeding, or those planning to become pregnant; * Participation in another clinical trial, or unwilling or unable to complete the full course of this trial; * Participants deemed unsuitable by the investigator.