Any drug that can change the internal environment of hormones in the body, the conductivity of somatic nerves or the blood flow of the penis and other links may reduce libido, affect the erection of the penis or cause ejaculation disorders. Drugs affecting human sexual function are more, summarized as: the central nervous system to play a sedative or inhibitory effect, prompting patients to increase the content of prolactin in the blood, direct antagonism of sex hormones and lead to a decrease in the concentration of testosterone in the blood, affecting the catecholamine system in the brain and the 5-hydroxytryptamine system, the anticholinergic effect and anti-sympathetic effect of the drug; in particular, the anti-hypertensive drugs and anti-psychotics, in the use of large doses of medication, the use of medication The treatment course is too long, more produce sexual dysfunction side effects. (1) Antihypertensive drugs: Klonopin, methyldopa, rifampicin, quetiapine, cardiac glycosides, hydrazine-phenylpyridazine, prazosin, medoxomil, hexahydroquinone quaternary amine bromide, meglumine, dihydroclonazepam, androxetil; (2) Antihyperactivity disorder drugs: Chlorpromazine, promethazine, methiopyridazide, amitriptyline, valium, phenelzine, and isophenazid; (3) Antiandrogenic drugs: Andrographolide, estratrizolone, tiopron, tiopron acetate, fluoride; (4) Antihypertensive drugs: Phenazepam, Phenazepam, andropaedrine. (4) Other drugs Codeine, methamphetamine, morphine, and some botanicals also have side effects that affect sexual function.