Patients suspected of coronary heart disease or have been diagnosed with coronary heart disease, the main precautions are three main categories: 1, activity habits: can only choose land sports, not swimming, climbing, once encountered risk will delay treatment; 2, diet and living: diet and living is very important, because people with coronary heart disease combined with hypertension, diabetes, hyperlipidemia, some patients combined with the above three conditions. If the combination of diabetes, in the case of blood sugar control, can not eat part of too sweet diet. If combined with high blood lipids, you should not eat greasy things. If there is hypertension, pay attention to a light diet; 3. Medication: daily standing medication must be loaded on the body and must be placed in a conspicuous place at home. If the above three conditions can be achieved, daily life should not be affected too much.