Most people can resume sex after 3 to 6 weeks of recovery from a heart attack. When you do not feel chest pain and chest discomfort after climbing 2 flights of stairs, you can have sex. Generally speaking, patients under the age of 50 who can go up three floors without discomfort can have sex, and to prevent angina attacks, take nitroglycerin 10 minutes before intercourse; if you go up three floors and feel discomfort, your heart rate is above 110 times/minute, do not have sex for the time being. The following circumstances should prohibit sex: 1, within the last six months, a heart attack. 2. Recently, frequent attacks of angina pectoris. 3. Usually feel discomfort in the precordial area, palpitations, shortness of breath, chest pain. 4. In a state of satiety, worry, anxiety, fatigue. 5. Symptoms such as chest pain, palpitations or heart rate >120 beats/min during or after sex.