Vain sweating at night is a frequent phenomenon in middle-aged people, especially in middle-aged women. In addition to night sweats, it also manifests itself as hot flashes and discomfort all over the body. The most common cause of night sweats in general is plant nerve dysfunction, especially for menopausal women, who are prone to night sweats, irritability and anxiety, a condition that should be thought of as a possibility of plant nerve dysfunction. In addition to this condition, you should also pay attention to the following: 1. Cardiovascular system diseases, it is possible to have night sweats, as well as angina attacks, or more serious attacks of myocardial infarction. If night sweats are accompanied by headache, chest tightness, chest tightness and heart compression, you should think about the possibility of myocardial ischemia, then you should call your family or friends as soon as possible and send them to the hospital for treatment; 2. Infectious diseases, especially patients with fever may have false sweats, such as some tuberculosis patients or patients with bronchial inflammation, also have false sweats, but tuberculosis sweats The sweating is usually obvious in the afternoon and is accompanied by a low fever. If the night sweating is long term, chronic, or regular for a long time in a period of time, you should think that it may be a plant nerve disorder, but if it is occasional or 1-2 times fever and false sweating, you should think about cardiovascular disease, especially if it is accompanied by chest pain or a feeling of compression of the heart, you should go to the hospital to save your life so as not to delay your condition.