Men more than forty no libido may be working life pressure or long-term no sex life and other psychological reasons, but also may be high blood pressure, diabetes, pelvic surgery and other organic lesions caused. 1. Psychological reasons: patients usually work under pressure, overwork, mental stress, couples living apart for a long time or no sex life for a long time, will affect the psychological state of men’s sexuality. Occasionally, there may be no sexual desire when having sex, and once there is a failure of sex, it is easy to lead to an increase in men’s mental stress, thus forming a vicious circle. 2. Organic causes: with age may appear hypertension, diabetes, androgen levels lack of chronic diseases, or have pelvic surgery or trauma history, etc., may affect the erection-related blood vessels, nerves and testosterone secretion, the emergence of decreased libido, impotence and other pathological changes. Men more than forty no libido may be psychological factors or organic lesions caused, it is recommended to go to the hospital in a timely manner, clear causes under the guidance of the doctor treatment.