Infants who are overheated usually have sweating, irritability and crying, high body temperature, and restless sleep, and if they are covered for a long period of time, they may develop heat rash and eczema. For infants, because they can not express their own feelings of heat and cold, we must pay more attention to observation, if there are feet or hands and forehead sweating, irritability and easy to cry, high body temperature, small face flushing, sleep unsettled, etc., we should consider that it is to cover the baby too much heat caused by. If overheating is not improved for a long time, it may lead to blockage of sweat pores and formation of heat rash and eczema due to excessive sweating and inability to dissipate heat well. At this time, infants may have tingling or itching sensations. It is recommended that infants with the above symptoms should be treated promptly for heat dissipation. If the symptoms are severe or persistently unimproved, infants should go to the hospital for consultation.