The causes of sudden sexual death are overwork, drunken sexual intercourse, mental tension and so on. 1. Excessive fatigue: husband and wife living apart, traveling back, long-term business assignment or long-term in a high degree of tension in the work, resulting in physical and mental overwork, sexual relations at this time will be prone to sudden death. 2. Sexual intercourse after drinking: It is not desirable to stimulate the brain and increase sexual desire by drinking some alcohol. Because alcohol stimulation of the cardiovascular system can cause vascular spasm, accelerated blood flow, elevated blood pressure, induced cardiovascular and cerebrovascular disease, resulting in death. 3. Mental tension: especially extramarital sexual relations, due to mental tension, fear of being discovered by others or emotional excitement, it is easy to develop cardiovascular disease, resulting in sudden sexual death. Sudden sexual death is also caused by the effect of drugs, advanced age, etc. In order to avoid the occurrence of sudden sexual death, we should correctly treat the relationship between the two sexes and establish a harmonious and happy life, which has a positive effect on the health of the body.