Harmonious sex life is very beneficial to both physical and mental health. 1.Harmonious sex life helps burn calories and control weight; 2.Harmonious sex life helps keep the heart healthy; 3.Harmonious sex life can promote sleep and improve sleep quality; 4.Sex life can also enhance the tension of pelvic floor muscles and improve the symptoms of urinary incontinence; 5.The process of sex life can release endorphins, which help reduce body pain; 6.Sex life helps women maintain regular menstrual cycle; 7, sex can also make people’s emotions relax; 8, can release stress; 9, a harmonious sex life can make the ability to enhance sexual life; 10, sex can also vent bad emotions; 11, a harmonious sex life can enhance self-confidence; 12, sex also has a certain role in preventing the occurrence of cancer; 13, a harmonious sex life will make people feel happy; 14 Has the effect of delaying aging; 15, make people look young; 16, has a certain effect of health care teeth; 17, can maintain a happy mood; 18, improve the relationship between husband and wife; 19, improve the ability to resist disease; 20, there is a special role of sex, is to improve the quality of male sperm.