With the development of science and culture, the improvement of economic conditions and the improvement of medical technology, the average life expectancy of the elderly is generally extended, there is a life of seventy not strange, the proportion of the elderly population in society is also rapidly increasing. Sexual life is an integral part of the life of the elderly, and our country due to the influence of feudal ideological tradition and the lack of scientific understanding of sexual problems, usually as long as the elderly mentioned about sexual problems, there is a great sense of sex, which has attracted all kinds of criticism, lightly say you are old and immodest, serious that is “old pervert”, that is vulgar activities. It is not decent. Some children think that their parents will not do those things, cheap and nasty, as if the elderly should not care about their various sexual problems, to the physical and mental health of the elderly bring adverse effects. According to modern scientific research, the main reason affecting the sexual function of the elderly is not physiological reasons, but psychological reasons, the elderly maintain a regular sex life, is conducive to the physical and mental health of the elderly, to achieve the purpose of prolonging life, has far-reaching significance. (1) sex can be used as a pain relief agent for the elderly elderly couples with regular, harmonious sex can strengthen the relationship between each other, lifting unnecessary conflicts and doubts, and sex up to the climax, can forget the physical discomfort symptoms. (2) Sexual life helps to overcome the negative emotions of old age With the change of social roles after retirement, retired people are lonely at home, depressed and have no contribution to society. If you have a partner to take care of each other and maintain a proper sex life, it is conducive to rationalize emotions and eliminate all kinds of negative psychology. (3) sex life as a form of exercise life is exercise, exercise is the secret of most elderly longevity, sex life is also a form of whole body activity, a sex life is equivalent to walking three blocks, and in the indoor, no accident. (4) Sex can prevent some diseases such as chronic prostatitis, causing lower back distension and pain, perineal discomfort, sex can make the prostate thick secretions discharge.