Most of the easy sweating on the back is caused by calcium deficiency. Mental tension, which is not relieved for a long time, may also lead to secretion disorder. Some patients who have chronic nephritis and kidney deficiency may also cause easy sweating. From the perspective of Chinese medicine, it may also be physical deficiency, yin deficiency, yang deficiency, and qi and blood deficiency. All normal people sweat, and sweating is an important physiological function that regulates body temperature and promotes circulation of body fluids. If calcium is lacking, it may cause the nervous system to be too nervous and poorly control sweat. You can improve the quality of sleep and reduce sweating by taking calcium supplements to relieve nervous stress. You can also eat some high-calcium foods, such as shrimp, soy products. Obese people are also more likely to sweat behind the body, which is due to the strong metabolic function of the body, the performance of the body fluid overflow, daily, as long as the appropriate supplement salt and water can be, will not affect the health. If you have night sweats at night, you can take Chinese medicine to improve it. For patients with chronic diseases such as low blood sugar, hyperthyroidism and nephritis or even kidney failure, they need to be properly supplemented with nutritional fluids and micronutrients to ensure metabolic balance, so that even if the sweating is persistent, it will not affect their physique and make their condition worse. Patients with more severe back sweating need to be alerted to the possibility of metabolic disorders, nervous system disorders, or nutritional deprivation. Daily attention should be paid to conditioning the body and mind, ensuring sleep time and not too much psychological stress.