The age of physical decline in men is usually around 50 years old, but there is individual variability and no clear-cut rule. Generally with age, the body will have degenerative changes, sexual function may decline, but the situation is different for different individuals. Some men are in their young adulthood, but impotence, premature ejaculation and other sexual dysfunctions; some older people can still maintain a relatively perfect sex life, which has a lot to do with the individual’s habits, physical quality. Men can usually actively participate in physical exercise, reasonable diet, quit smoking and alcohol, to enhance the physical quality to maintain good sexual ability, delay the decline of sexual function. There is no standardized age of male physiological decline, as long as the physical quality is good, without affecting the health of the premise can always maintain a sex life, if you feel abnormal sexual function or physical discomfort, it is recommended to go to the regular hospital in a timely manner to consult the doctor for treatment.