Children can bathe when they have prickly heat, and it is even recommended to bathe frequently. Prickly heat is caused by the blockage of sweat ducts. Factors such as the underdevelopment of newborns' sweat ducts, humid and hot external environments, prolonged bed rest, and skin infections can all cause prickly heat. When children develop prickly heat, we can apply mild topical medications. In terms of diet, it is also important to avoid spicy, irritating, and allergenic foods, and to ensure frequent bathing and proper ventilation to improve the skin's external environment.