At present, there is no authoritative data to show that couples have sex a few times a week is normal. Clinically, there is no authoritative data to show that normal couples have sex a few times a week sexual behavior is normal, and how many times a week sexual life can occur, which needs to be judged according to the specific circumstances. Usually young people, you can have sex 2 to 3 times a week, if young people’s energy allows, can also be appropriate to increase the frequency of sex. However, middle-aged and elderly people need to properly reduce the frequency of sexual intercourse, the number of times a week sex in 1 to 2 times. Usually couples do not feel fatigue the next day after sex, if couples feel fatigue after sex, to appropriately reduce the frequency of interaction. Couples have sex 1 to 3 times a week is appropriate, but the specific number of sex needs to be judged according to the physical situation, if the sex does not feel fatigue after sex, you can increase the number of sex. It is recommended to avoid frequent sexual intercourse, and to clean the genitals before and after sexual intercourse to avoid the occurrence of genital infection.