10-year-old boys often wet the bed at night can be caused by physiological factors, psychological factors, urinary tract infections, enuresis and other factors. 1. Physiological factors: imperfect development of the central nervous system, the urethral sphincter and bladder urinary muscle function is not coordinated and other factors, can trigger the phenomenon of bedwetting. Insufficient secretion of antidiuretic hormone, drinking too much water before going to bed, eating watermelon and other watery foods can also cause bedwetting at night. 2. Psychological factors: the child’s living environment changes, or the child’s daily life is often punished and frightened, easy to make the child in a state of long-term tension and anxiety, can cause changes in urination habits, bedwetting performance. 3. Urinary tract infection: when bacterial infection occurs, the mucous membrane of the urethra is stimulated, which can trigger frequent urination, urinary urgency, urinary pain and other manifestations, which can be manifested as frequent bedwetting at night. 4. enuresis: can be caused by congenital urethral deformity, poor urination habits and other factors, can appear urinary frequency, urinary urgency performance, can cause frequent bedwetting. The 10-year-old boy often wet the bed at night should be timely medical treatment, under the guidance of specialists to actively perform the appropriate treatment, will help to alleviate the discomfort of the symptoms early.