Regular sex for women can be good for maintaining physical and mental health by providing exercise, relieving stress and preventing disease. 1. Exercise: coitus is a physical activity, especially those who usually exercise less, regular coitus can play a certain role in exercise, for the enhancement of resistance has a certain help. 2. Relieve stress: regular intercourse can also relieve stress, meet the sexual needs, and at the same time to improve the quality of sleep also has certain benefits. 3. Prevention of disease: reasonable coitus can prevent ovarian decline. It can also regulate the endocrine system to avoid breast diseases and other gynecological diseases. It is recommended to maintain a moderate frequency of coitus and strengthen hygiene management, which can effectively prevent gynecological diseases.