Because of long-term familiarity and habits, middle-aged couples' interest in sex life may decline. At this time, the following points can be considered: 1. Add freshness. You can try new ways of sexual excitement, sexual posture or sex toys to increase the freshness and excitement in sexual life and stimulate sexual desire. You can also try another place to create a new atmosphere. 2. communicate more. Husband and wife should communicate their sexual needs and desires and share their sexual fantasies, which can improve the attraction of sexual life and enhance emotional intimacy. 3. relive the early state. Recall the details of puppy love and try to reproduce that sweet mentality and behavior. This can reduce the gap between husband and wife and enhance sexual attraction. 4. Add sitcoms. You can set some simple scenes to increase the novelty and romantic atmosphere of sexual life. For example, simulating the experience of the first date can rekindle the passion to some extent. 5. Take a break. Couples can consider traveling separately from friends and meeting again after a short separation, which can increase the freshness and excitement of reunion after a long separation, thus improving the quality of sexual life. 6. Exercise properly. Proper exercise by husband and wife together can increase intimacy and sexual desire. Walking, swimming, cycling and other outdoor sports, or fitness together can be. 7. Psychological counseling. If the decline in sexual interest seriously affects the relationship between husband and wife, you can consider seeking the help of marriage and sex therapy experts. They can help find out the root of the problem and adopt targeted psychological counseling and treatment programs.