Patients with diabetic heart attack may experience chest discomfort, angina, chest tightness and shortness of breath, dyspnea, gastrointestinal discomfort, fainting, cold sweat, abnormal nerve state, etc. However, the symptoms and manifestations of heart attack are complex and varied from person to person, and sometimes even asymptomatic, so it is recommended that diabetic patients pay attention to the daily monitoring, and seek medical treatment in time for the occurrence of uncomfortable symptoms. 1. Chest discomfort: the typical phenomenon of heart attack is chest pain, which may be intermittent at the beginning, but later develops into persistent chest pain, and the pain will gradually intensify, these symptoms should be considered as heart attack. 2. Angina pectoris: If diabetic patients have angina pectoris, and the angina pectoris has been aggravated in the recent past or the number of angina pectoris has become more frequent and the time has increased, it may be a heart attack. 3. Chest tightness, shortness of breath, dyspnea: when the heart muscle dysfunction, there will be panic, shortness of breath, dyspnea, this situation may be a heart attack. 4. Gastrointestinal discomfort: some patients may also experience gastrointestinal discomfort, such as vomiting, stomach pain, bloating and other phenomena, but this is often easy to be ignored and confused with gastric disease, so pay attention. 5. Fainting and cold sweat: when the heart pumping function decreases, the blood supply to the brain will be insufficient, and this time there will be fainting and cold sweat. 6. Abnormal neurological status: patients with diabetic heart attack will also have headache, drowsiness, irritability, impaired consciousness and so on. There are also some patients with diabetic heart attack has no precursor, so it is necessary to go to the hospital regularly to check the heart, there are abnormalities in time to seek medical attention.