Men have no desire may be age factors, psychological factors, bad life and dietary habits, drug factors. 1. Age factor: after the male age, the body hormone level will gradually reduce, the possibility of desire will gradually weaken, when the age is too old, the possibility of desire will disappear, belonging to the physiological changes. 2. Psychological factors: the existence of unpleasant sexual experiences, or the relationship between husband and wife have abnormalities, will have a psychological impact on men, will lead to men have no sexual desire, may also have erectile dysfunction and premature ejaculation. 3. Poor dietary habits: men who drink and smoke for a long time, and picky eaters, may lead to loss of libido and lack of nutrients in the body, which will also affect the libido and lead to loss of libido. 4. Drug factors: men take a long time to take some antihypertensive drugs as well as anti-psychotic drugs, for example, such as reserpine, propranolol, chlorpromazine, etc., will also have an impact on the male libido, will make men have no sex drive. If a man has no sex drive and age is ruled out, it is recommended that he seek medical advice for appropriate examination and treatment to avoid serious impact on the quality of sexual life.