Fifty-five years old man sex life how often a time, and personal constitution, health state, mental, psychological state, individual differences, medical and there is no absolute standard, it is recommended that about 1 time a week. Generally speaking, as men’s age increases, the physical state as well as the state of health begins to decline, the frequency and duration of sexual life will be a gradually declining trend. If the physical condition is good, physical health, psychology, mental state, the surrounding environment, work pressure, as well as the couple’s relationship and many other factors are better, the number of times and duration of men to have sex will increase, the number of times a week to two or even more. If there is a basic disease, physical condition is not good, the number of times and time to have sex will be reduced, or even can not have sex. Men’s sex life, mainly combined with their own physical condition to moderate, develop good habits, maintain moderate and regular sex life.