Coronary heart disease is the most common and dangerous heart disease in middle-aged and elderly people, but with the accelerated pace of life and increased stress, the incidence of coronary heart disease is also on the rise in young people. Patients with mild cases may not have any obvious symptoms, but serious cases may die as a result. Knowing the early symptoms of coronary heart disease in time can be of great help for early detection and early treatment. So it is necessary to know the early symptoms of coronary heart disease to help early treatment. Today we will learn how to identify the symptoms of coronary heart disease at an early stage! First of all, the identification of high-risk factors long-term hypertension, high blood pressure, overweight, perennial smoking, family history of coronary heart disease, excessive mental stress and lack of exercise, etc., have been identified as “high-risk factors” causing coronary heart disease. Although some early coronary heart patients do not have any obvious clinical symptoms, but once the onset of angina pectoris or myocardial infarction is fatal, so that irreversible consequences have occurred. Identification of highly suspected symptoms (1) Dull pain behind the sternum or precordial region, or tightness-like pain, radiating to the left shoulder and left upper arm when exertion or mental stress, holding for 3-5 minutes, relieved by itself after rest. (2) Panic, shortness of breath, fatigue and breathlessness during physical activity. Headache, toothache and leg pain related to exercise; chest pain and palpitations when having a full meal, cold or watching a thrilling movie. (3) Palpitations and chest pain during a full meal, in the cold, or when watching a thrilling movie. (4) In public places or meeting places, or when going upstairs and climbing a mountain, it is easier to feel chest tightness, palpitations, breathlessness and insufficient air than before, especially than others. (5) When sleeping at night with a low pillow, you feel breath-holding and need to lie on a high pillow. When you suddenly wake up during a deep sleep or nightmare, you feel palpitations, chest tightness, and breathlessness, and need to sit up before you get better. (6) Heart panic, chest tightness, shortness of breath or chest pain discomfort when straining to defecate; hearing noise causes heart panic and chest tightness. (7) Heartbeat, shortness of breath, chest tightness or chest pain and discomfort during sexual intercourse. (8) Long-term episodes of left shoulder pain that does not heal repeatedly with general treatment. (9) Recurring irregular pulse, too fast or too slow. The occurrence of many diseases can cause serious damage to our body and even threaten our lives, and coronary heart disease is one such disease. Patients with high-risk factors for coronary heart disease will show some signs in the early stage. If we find these signs, we should pay attention to our health and have timely examination. Early detection, early diagnosis and early treatment of coronary heart disease are of great significance to the treatment and prognosis of the disease. If the following points occur, we should seek medical attention in time to avoid delaying the disease.