In general, Asian men have a normal range of sex time (from the time the penis enters the vagina) of more than 2 minutes. If a man’s sex time is often less than 2 minutes, he has a short sex life and needs to consider whether there is a sexual dysfunction such as premature ejaculation. Usually psychological and mental factors may induce premature ejaculation, and psychological interventions can be made to relieve psychological pressure on the patient. If the effect is not obvious, the patient’s symptoms can also be improved by behavioral training or medication. But the longer the sex life is not the better, if the sexual organs are in a state of excitement and congestion for a long time, it will also cause some impact on the body, as long as the sex life can bring pleasure to both sides, it is a quality sex life. In short, the time of sexual life to moderate appropriate, but also need to pay attention to the hygiene before and after sex, but also clean self love, do not have unclean sex, keep a fixed sex partner, when there is no plan to prepare for pregnancy, need to do to take contraceptive measures.