Immediately crazy is a folk name, medically known as sudden death in sexual intercourse, that is, refers to the sudden death during orgasm, or death after sexual behavior, mainly related to cardiovascular and cerebrovascular diseases. Sudden death in sexual intercourse is most common in patients suffering from hypertension, coronary heart disease and other kinds of heart disease, because the highly excited sex life is easy to cause myocardial ischemia, myocardial electrophysiological instability, inducing serious ventricular arrhythmia and sudden death. Such as cerebral arteriosclerosis or congenital cerebral aneurysm, vascular malformation, can be due to sudden rise in blood pressure, cerebral vascular rupture, hemorrhagic stroke and sudden death. Sudden sexual death is related to emotional excitement, mental tension, excessive excitement and alcohol consumption, especially the high degree of sexual excitement and high-frequency sex, all of which have a great impact on the heart. Patients with underlying diseases such as coronary heart disease and hypertension need to avoid strenuous exercise or mental stimulation to avoid causing cardiovascular and cerebrovascular accidents.