Very easy to sweat may be caused by hyperhidrosis, but also may be obesity, hyperthyroidism and other causes. 1. Hyperhidrosis: Hyperhidrosis is a disease in which the amount of localized or generalized skin sweating increases abnormally, usually due to excessive secretion of sweat glands caused by sympathetic over-excitement. If it does not affect daily life and work, no treatment is needed. More serious patients are recommended to take treatment measures. 2. Obesity: obese people due to high basal metabolic rate, heat dissipation, so very easy to sweat. Scientific weight loss is needed. 3. Hyperthyroidism: Hyperthyroidism is an endocrine disease caused by excessive thyroid hormones, resulting in the body’s sympathetic nervous system excitation, leading to hypermetabolism. Common symptoms are easily agitated, excessive sweating, palpitations (rapid heartbeat, often accompanied by panic), fear of heat and so on. Very easy to sweat may also be caused by other factors, if it seriously affects the daily life, it is recommended to actively treat.