The 12-year-old boy sleep sweating may be related to physiological factors such as vigorous body metabolism, high environmental temperature, etc., may also be related to pathological factors such as tuberculosis, hyperhidrosis. 1. Physiological factors: 12-year-old boys in the growth and development stage, the body’s metabolism is vigorous, or the environment temperature is high, may lead to the emergence of 12-year-old boys sleep sweating. 2. Pathological factors: (1) Tuberculosis: mainly due to Mycobacterium tuberculosis infection, low immunity, drug abuse may also induce the disease, often showing cough, cough, phlegm, night sweats, fatigue, etc., may lead to the emergence of 12-year-old boy sleep sweating. (2) hyperhidrosis: mainly due to genetic, medication and other factors, often showing an abnormal increase in sweating of the whole body or local, may lead to 12-year-old boy sleep sweating. Therefore, 12-year-old boy sleep sweating causes more, if the symptoms do not get better or aggravated, it is recommended to consult a doctor in time for scientific examination.