Coronary heart disease may be asymptomatic in the early stage, or symptoms such as chest pain after exertion may occur; typical symptoms are chest pain, chest pressure, shortness of breath, etc.; as well as sweating, dizziness and other accompanying related symptoms. 1. Early Symptoms: Early symptoms can be no symptoms, only manifested as abnormal ST-T changes when doing exercise plate electrocardiography. It can also be manifested as angina pectoris after strenuous physical activity or heavy physical labor, which can be relieved rapidly after rest or taking drugs to expand coronary arteries. 2. Typical symptoms. Chest pain (angina pectoris): Chest pain caused by transient coronary artery stenosis and obstruction, also known as angina pectoris, may be felt by the patient as a feeling of pressure or tightness in the chest, as if being stepped on in the chest, usually occurring in the middle or left side of the chest. Chest compression: Typical symptoms of a heart attack include oppressive pressure in the chest and pain in the shoulders or arms, sometimes accompanied by shortness of breath and profuse sweating. Women are more likely than men to have atypical symptoms of a heart attack, such as neck or jaw pain. Shortness of breath: If the heart is unable to pump enough blood to meet the body’s needs, shortness of breath and extreme fatigue may occur during exertion. 3. Accompanying symptoms: Sudden onset of cold sweats, dizziness, nausea or indigestion. Neck pain and shortness of breath may increase with activity. Patients with coronary heart disease are advised to seek timely medical attention and systematic treatment under the guidance of a doctor.