What factors trigger the acute attack of coronary heart disease? 1. Exertion, staying up late, etc. 2, mental stimulation, such as anger and anxiety, tension, grief, etc.. 3, sudden changes in climate, temperature, air pressure is too low, can induce coronary spasm to cause a heart attack. 4, smoking, alcoholism, full meals. Low blood pressure and blood sugar can trigger angina pectoris. 5, stress, such as infection, surgical trauma, bleeding, etc., can induce myocardial infarction. 6, enhanced blood coagulation, such as low water consumption, diarrhea. Winter cold. 7, life problems, such as constipation, hot bath too long. Coronary heart disease daily life should pay attention to matters: 1, moderate activity, do not strain. 2, fresh air in the living room, quiet, because the noise makes the blood adrenaline increase, vascular spasm, blood pressure rise. 3, regular rest and rest, to ensure sleep time. Mental relaxation, relaxed mood, do not get excited and angry. 4, drink more water before going to bed, do not suddenly sit up. 5, keep the bowels open, avoid excessive force. 6, equipped with oxygen, first aid drugs, put in a conspicuous place: bedside table, bathroom, dining table. 7. Explain the diagnosis, treatment and emergency contacts to family members and companions. Treatment measures in case of seizure: 1. Lie down immediately and do not exert yourself. 2. Mental relaxation, keep quiet, sedative drugs Valium. 3, containing nitroglycerin, cardiac pain, rapid-acting heart pills and other crown-dilating drugs, can be taken several times. 4, aspirin 0.3 grams of immediate anticoagulation. 5. Oxygen inhalation. 6. Monitor blood pressure, pulse, breathing. 7. Cardiac arrest should be immediate cardiac compressions, early ABCD resuscitation method. 8, start the emergency system – contact the hospital or call 120 as soon as possible. Report: the patient’s location in detail, the main symptoms, what first aid measures are being given. Previous medical history.