Bath fainting pool also known as fainting bath, caused by the following three main reasons: 1, the bath time is too long, because of the high ambient temperature in the bath, the skin vascular expansion, the blood flow into the cerebral artery is relatively small, causing symptoms of temporary insufficiency of blood supply to the cerebral artery leading to syncope; 2, the bath is generally more closed, the indoor air circulation is not good, less oxygen in the room, prone to symptoms of hypoxia, leading to syncope; 3, If you do not eat before bathing, usually have a history of diabetes, long-term treatment with hypoglycemic drugs or usually have symptoms of hypoglycemia, because the bathing process requires excessive heat consumption, sweating more, resulting in symptoms of syncope due to hypoglycemia. It is recommended to get out of the stuffy environment first, you can lift to the changing room, drink more water, pinch the human middle point with your hand, most patients can slowly get better.