The most common factor is the acute hypoglycemic reaction, the bath is a state of negative nitrogen balance, at this time the body will accelerate the catabolism and anabolic decrease, so it will consume excess glycogen and glucose, at this time, if the sugar is not replenished in time, there will be dizziness caused by hypoglycemic reaction, accompanied by the clinical symptoms and performance of weakness. 2, after the bath Dizziness, weakness is also related to acute aortic insufficiency, usually in patients with coronary artery disease, myocarditis, pericarditis, acute coronary ischemic attack will have dizziness after the bath along with the clinical symptoms of weakness. 3, dizziness after the bath, weakness is also related to cerebral ischemia and lack of oxygen, due to lack of oxygen to brain cells, cerebral artery insufficiency of blood supply, imbalance of ventilation and blood flow ratio will produce dizziness, weakness of clinical symptoms and performance. The clinical symptoms and manifestations of dizziness and weakness can occur due to lack of oxygen to brain cells, complete blood supply to cerebral arteries, and imbalance of ventilation flow.