If a patient experiences chest tightness after being angry, for patients without obvious chest pain accompanied by shortness of breath and dyspnea, there is usually significant relief after resting in bed on their own. However, for those who have a clear previous history of coronary heart disease, when chest tightness is accompanied by chest pain and dyspnea, they should immediately lie flat or in a sitting position, take nitroglycerin or quick-acting heart pills at home and observe for 15-30 minutes, while avoiding excessive emotional excitement and strenuous exercise. If there is oxygen at home, try to quickly give the patient oxygen, if the patient oxygen or take quick-acting heart pills and other drugs, after 30 minutes and there is no significant improvement in symptoms, you must quickly call 120 for help and go to the hospital for the next step of treatment.