There is no definite time for patients with cerebral infarction to have sex after being discharged from the hospital, and it is related to the infarction area, general condition and age of the patients. If patients with cerebral infarction are young or middle-aged and the infarcted area is small, they can consider having sex when their condition is stabilized, limb function is restored and their blood pressure is well controlled, but there is no exact time, it may be 1 month, 3 months or half a year. Cerebral infarction patients who are old, cerebral infarction area is large, limb function is obviously affected, and have coronary heart disease, hypertension and other related diseases, it is not recommended to have sex, if there is a need, the condition needs to be completely stabilized, and control the underlying disease before proceeding, it may be 6 months to more than 1 year. Cerebral infarction patients how long to have sex, according to their own situation and disease recovery and other comprehensive consideration, usually do a good job of secondary prevention, if there are uncomfortable symptoms, it is recommended to consult a doctor in a timely manner to avoid missing the best time for treatment.