The causes of bedwetting are different for different age groups. Generally, bedwetting is normal for children under 5 years old because of incomplete neurological development, and parents need to guide their children to develop the habit of defecating at night. If bedwetting occurs in children >5 years old, it belongs to enuresis, and some common factors such as congenital spina bifida, occult spina bifida, etc., which may cause the older children to be unable to control nighttime urination. In addition, the child’s bladder sphincter is not fully developed, try not to drink too much water or eat too much fruit before the child goes to bed, and pay attention to the child’s warmth in winter, if it is always cold to, it will produce enuresis over time.