A Bioequivalence Study of PP3M in Patients With Schizophrenia

Inclusion Criteria: * 18 to 65 years old (including 18 and 65 years old). * Patients diagnosed with schizophrenia (by ICD-10 criteria) before screening. * Weight: male patients with weight ≥50.0 kg, female patients with weight ≥45.0 kg, with the body mass index of 19.0\~35.0 kg/m\^2 (including 19.0 and 35.0). * Positive and Negative Syndrome Scale (PANSS) total score lower than 70 at screening and baseline. * Clinical Global Impression-Severity (CGI-S) lower than 4 at screening and baseline. * Patients and their guardians voluntarily sign the ICF and are able to comply with the requirements of the study. Exclusion Criteria: * Be allergic, or have a clear history of allergies to trial drugs and components. * Patients with cardiovascular, liver, kidney, gastrointestinal, psychiatric, or neurological diseases that may affect participation in the trial, as determined by the investigator. * History of tardive dyskinesia.