40 years old generally 2 to 3 times a week sex life is normal, the specific number of times according to the body of men and women do not feel fatigue is appropriate. Maintain a moderate sex life for both men and women’s body is beneficial, frequent sex or no sex for a long time, are not conducive to good health. For 40-year-old people, both men and women, the body is facing career and family double pressure, so the number of sexual life should not be too frequent, generally controlled at 2 to 3 times a week, the specific number of times to both bodies do not feel fatigue is appropriate. Both men and women should maintain pubic hygiene, avoid sex during menstruation and pregnancy; maintain a balanced diet and regular work and rest, and do more outdoor exercise; create a warm and comfortable environment, and do not be too strenuous; if you do not want to get pregnant, you should do a good job of safety measures and so on. If both parties have uncomfortable symptoms after sex, they should go to the regular hospital in time, under the guidance of the doctor’s treatment.