Chest sweating (abnormal sweating after going to sleep and stopping sweating after waking up) is generally characterized by sweating on the chest during sleep, which stops after waking up. Chest sweating may be caused by physiological reasons, such as mental tension, and may also be caused by pathological reasons, such as hyperthyroidism, rheumatoid arthritis, tuberculosis and so on. 1. Physiological reasons: mental tension may lead to night sweating on the chest, because sweating is also a manifestation of nervousness, mental tension, autonomic nervous system disorders, and it is difficult to control their own anxiety, there will be night sweating symptoms. 2. Pathologic causes: (1) hyperthyroidism: hyperthyroidism is the abnormal secretion of thyroxine in the body, which will lead to the body’s metabolism is faster than normal, and it is easy to have the symptom of night sweating on the chest. (2) Rheumatoid arthritis: patients suffering from rheumatoid arthritis may be accompanied by night sweats on the chest, generalized fever and other symptoms, generally due to low body resistance. (3) Tuberculosis: Tuberculosis can cause generalized discomfort, and night sweats on the chest is one of the common symptoms of tuberculosis. If you feel unwell, you should go to the hospital in time to avoid delaying your condition.