Dizziness after soaking in a hot spring is usually caused by the following reasons: 1, when soaking in a hot spring will produce too much energy and heat, the body has a certain effect of heat dissipation and weight loss, but if you soak in a hot spring for too long, it will produce a negative nitrogen balance, thus causing a hypoglycemic reaction, due to low blood sugar and will lead to dizziness, physical weakness, etc. 2, dizziness after soaking in a hot spring is because the hot spring is rich in various vitamins and trace elements 3, soaking in hot springs for a long time, will lead to cerebral hypoxia and transient cerebral blood supply deficiency, so there will also be symptoms of dizziness. 4, such as cardiac insufficiency and pulmonary insufficiency, soaking in hot springs for too long, will also lead to contraction of the body’s aorta The heart will feel dizzy after soaking in a hot spring, causing myocardial ischemia.