Chest hot phenomenon may be physiological reasons, there may be pathological reasons, such as reflux esophagitis, coronary heart disease and so on. 1. Physiological reasons: some women will be due to abnormal hormone secretion in the body before menstruation and stimulate the mammary glands, which will induce the chest to appear lumps, swelling and pain and other symptoms, and then will be manifested in the chest hot phenomenon, which belongs to the normal causes, generally do not need special treatment. 2. Pathologic causes. (1) reflux esophagitis: mostly due to acid or alkali reflux caused by the esophageal mucosal damage, can show reflux, heartburn and chest pain belching and other symptoms. (2) Coronary heart disease: mainly due to coronary artery atherosclerosis and caused by the narrowing of the lumen of the blood vessels, myocardial ischemia and angina pectoris and other manifestations, followed by induced chest discomfort, chest tightness, chest fever and dyspnea and other symptoms. There may be other reasons for the above symptoms, so it is recommended to go to the hospital in time to find out the cause of the disease and actively cooperate with the doctor for treatment.