The 47-year-old man sex life how often, should be judged according to their own specific circumstances, can not be generalized. Generally if the physical condition is good, after sex did not produce any discomfort, but physical and mental comfort, mental pleasure, then a short period of time can continue to sex life. But if there is fatigue and weakness after sex, mental discomfort, waist and knee soreness and other discomfort, indicating that there may be excessive sex, should be appropriate to postpone the next sex time, wait for energy and physical strength to recover and then carry out. In addition, the daily workload, psychological stress, poor physical fitness, or combined with hypertension, diabetes and other basic diseases, should be appropriate to reduce the frequency of sex, in order not to increase the body load, to prevent the quality of sex life, or even aggravate the condition. Therefore, 47-year-old man how long sex life is not a strict standard and limit, as long as sex does not affect normal life and work, but also feel energetic can. But if there is some discomfort, need to be properly adjusted.