Sweating in infants may be related to high metabolism, environmental factors, lack of nutrients, tuberculosis and so on. 1. Exuberant metabolism: infants are in the stage of growth and development, their metabolism is relatively vigorous, and the regulation of the nervous system is not very sound, so they are prone to excessive sweating. 2. Environmental factors: If infants live in a high temperature environment, overdressed, covered too thick, may lead to the phenomenon of excessive sweating. 3. Lack of nutritional elements: If infants lack vitamin D or calcium, it may lead to rickets, which is accompanied by symptoms such as occipital baldness, crying at night and restless sleep in addition to excessive sweating. 4. Tuberculosis: when the baby suffers from tuberculosis, it will easily lead to the toxin of tuberculosis bacteria and its metabolic substances, stimulate the central nervous system, cause nervous system dysfunction, and appear the situation of excessive sweating in infants. After eliminating the physiological causes of infant sweating, parents should bring their babies to the hospital in time to complete the relevant examinations, to clarify the cause of the disease and then follow the doctor’s instructions for treatment, so as to avoid delaying the condition.