Clozapine is a dibenzodiazepine antipsychotic, and it depends on the patient’s specific condition to decide whether or not to take this medication for life after evaluation by a medical professional. Switching to this product may be effective when other medications are not working well. Clozapine is used clinically for the treatment of mania, other psychiatric disorders with excitable agitation as the main symptom, and refractory acute and chronic schizophrenia. Typically, once started, it needs to be taken for life. Most treatments go from treatment to maintenance dosage, which means that once the symptoms are under control, the original dosage is then reduced to the maintenance dosage. Once the maintenance dose is reached, the dose cannot be reduced, let alone stopped. Discontinuation of clozapine medication needs to be done carefully, otherwise relapse will occur. It is recommended to review the white blood cell count and classification, liver function, electrocardiogram, blood sugar, etc. on a regular basis while taking the drug. Common side effects of taking Clozapine include dizziness, drowsiness, constipation, tachycardia, and drop in white blood cells. It is contraindicated for those who are allergic to the product and the ingredients contained in it, severe cardiac, hepatic and renal disorders, coma, hypotension, glaucoma, bone marrow suppression or leukopenia. Use with caution in lactating women, children, those with severe cardiovascular disease and history of epilepsy. It is recommended to use the drug correctly under the guidance of a doctor to avoid adverse reactions.