Impotence means that although a man has a sexual desire, his penis cannot get an erection, or the degree of erection is not enough to penetrate the vagina and prevent a normal sexual life. There are many causes of impotence, among which, mental impotence and organic impotence are the main ones. Psychogenic causes account for about 85-90% of the causes, while organic causes account for only 10-15%. Most of the organic causes are caused by other diseases in the body, such as genital malformations, congenital testicular defects on both sides, gonadal insufficiency, prostatitis, neurological diseases, lead-in-cyan, diseases of the urinary system or body fluid system, mumps, and prepuce, etc., which can cause impotence. For impotence caused by organic factors, impotence will generally be cured without cure after the doctor’s diagnosis and treatment of the disease. Impotence caused by mental factors mainly have incorrect understanding of sexual life, have long-term and frequent masturbation habits, lack of sexual knowledge, mental tension, geodetic depression or caused by marital disagreement, etc. For the treatment of impotence caused by exquisite mental factors, it is mainly for the patients to carry out psychiatric treatment to relieve their mental burden and help them master some correct sexual knowledge. To make the patient eliminate the doubt, worry, fear and tension of sexual intercourse. In addition, also need to pay attention to life conditioning, coordination of husband and wife feelings, mutual understanding, as the wife should be careful to cooperate with the caress husband, together to create a good atmosphere of sexual life. In this way, impotence caused by mental factors can also be gradually eliminated. The actual fact is that you can find a lot of people who are not able to get a good deal on the subject. The woman should care, caress, encourage her husband, try to avoid the flow of dissatisfaction, to avoid causing mental pressure to the husband; the thought should be concentrated during sexual intercourse; especially in reaching the peak of sexual pleasure, when the ejaculation is about to happen, the thought should be concentrated. At the same time, actively diagnose and treat the relevant lesions of the genitourinary and endocrine system. The actual fact is that you will be able to get rid of the mental burden and build up confidence. 2, the room is excessive long-term sexual intercourse, immersed in pornography, masturbation overexerted leading to mental fatigue, is one of the causes of impotence, practice has proved that the couple separated from the bed, stop sex for a period of time, avoid all types of sexual stimulation, so that the central nervous system and sexual organs to get sufficient rest, is an effective measure to prevent impotence. 3, diet conditioning (1) eat more aphrodisiac food: aphrodisiac food mainly dog meat, mutton, sparrow, walnuts, cow whip, lamb kidney, etc.; animal offal because it contains a lot of sex hormones and adrenal cortical hormones, can enhance sperm vitality, improve libido, also belong to the aphrodisiac products; in addition, zinc-containing foods such as oyster, beef, chicken liver, eggs, peanut rice, pork, chicken, etc., arginine-containing foods such as yams, ginkgo, frozen bean curd In addition, the repair fish, sea cucumber, cuttlefish, octopus, etc., all help to improve sexual function. (2) Do not have to abstain from eating: folklore, such as eating loofah will get impotence, etc., is not based on science, prevention of impotence, premature ejaculation do not have to abstain from eating, to avoid everywhere to prevent, increase the psychological burden, but also to avoid nutritional deficiencies, physical weakness. 4, improve physical fitness physical weakness, overwork, lack of sleep, stressful and sustained mental work, are all factors in the pathogenesis, should actively engage in physical exercise, enhance physical fitness, and pay attention to rest, prevent overwork, adjust the imbalance in the functioning of the central nervous system. 5, careful use of drugs