At the same time, the visual vascular access is mainly supplied by internal carotid artery and posterior cerebral artery. Sexual health care is noisy, mental and thinking are highly concentrated, and it needs a certain amount of energy. At this time, the blood vessels of the whole body dilate, and the blood flowing to the brain is relatively reduced, so that the nervous system will be tired and the eyes will be blurred and uncomfortable one after another. In addition, due to the loose subcutaneous tissue of eyelid, less fat and easy congestion and edema, black halo appears after excessive sexual intercourse, which looks like dehydration symptoms of diarrhea patients. Therefore, experts suggest that people engaged in eye-related occupations such as drivers and aerial work should not have too much sex life, and need to arrange enough rest after sex life. Matters needing attention in sexual health care of husband and wife should be kept in mind, and neither party can force it when it wants to be strong. Men can't stand on their own feet, let alone force women. Sex should be based on the physiological impulse of sex first, and then implemented according to the psychological impulse. This is called kidney in front and heart in back. Precautions for sexual health care of husband and wife: urinate once before sexual intercourse, and avoid excessive excitement or nervousness. It is best to urinate once before sexual intercourse and then after sexual intercourse to form a habit, which not only helps to prevent urinary tract infection caused by sexual intercourse, but also maintains the functions of sphincter and detrusor. Of course, women who want to get pregnant should not rush to urinate after sexual intercourse, but should raise their hips appropriately and let semen stay in the body for a long time. Precautions for sexual health care of husband and wife Women should not share the same room during menstruation, because blood clots can easily enter the man's urethra during sexual intercourse. Coagulated blood clots will block the urethra, so please ask the doctor to take out the blood clots to facilitate urination. The climax of couples' sexual intercourse, the groan of health care precautions, in couples' sexual intercourse, some women often groan to varying degrees, which is undoubtedly the imitation of sexy officials after being stimulated. This uncontrollable voice in the process of making love should be said to be difficult to express in words. It is generally considered to be a sexual sound, that is, a sexual sound or a sexual sound. Koreans express it with groans of satisfaction. Physiologically, women moan during sex for two reasons. On the one hand, when approaching or reaching orgasm, the oxygen content in the blood will decrease. At this time, women will show a series of so-called climax symptoms such as inattention, blurred vision and mild convulsions because they are in a state of mild hypoxia. Groans in husband and wife's life have a subtle stimulating effect on both sides to enjoy the fun of sex together. In particular, women's repeated use of short sentences and overlapping interjections not only makes men sound like particularly pleasant music accompaniment, but also makes men feel excited and accelerates the arrival of climax. Precautions for health care during sexual intercourse between husband and wife should be played first. It is clear to the ancients that foreplay is a kind of fun and an indispensable part of sex, which can arouse Chun Qing and improve sexual desire.