Chlorpromazine is mainly antidepressant and anxiolytic, but also has sedative and anticholinergic effects, and is often used in the treatment of various depressive states in the clinic, and can also be used in the treatment of obsessive-compulsive neurosis and phobic neurosis. Chlorpromazine belongs to the tricyclic antidepressant drugs, its effect is similar to that of promethazine, mainly to inhibit the reuptake of norepinephrine and 5-hydroxytryptophan by neurons, so as to play the role of antidepressant and anti-anxiety, and also has the effect of sedation, so it can be used for the treatment of various types of depressive states. The most common adverse effects of chlorpromazine are dizziness, dry mouth, excessive sweating, and urination disorders, etc. Mild symptoms usually disappear within a week or so. Overdose may result in toxic reactions such as cardiac arrhythmia, heart block and insomnia. People who are contraindicated to take Chlorpromazine include patients with severe heart failure, severe liver or kidney insufficiency, epilepsy, glaucoma, and pregnant women. In order to ensure the safety of the drug, it must be used under the guidance of a doctor, not blindly taken by themselves to avoid adverse reactions.