The baby’s hands and feet fever is considered to be related to physiological factors, but may also be related to pathological factors leading to fever, need to be combined with other symptoms comprehensive judgment. 1. Physiological reasons: (1) Excessive exercise: if the baby is older than the month, more lively and active, if the non-stop jumping, the exercise is relatively large in the case, after the exercise will lead to accelerated blood circulation, resulting in fever in the hands and feet. (2) indoor or outdoor temperature is high: if the baby with the indoor or outdoor temperature is high, the body’s heat production will increase, thus appearing hands and feet fever. 2. Pathological factors: If the baby’s hands and feet fever, and accompanied by nasal congestion, sneezing and other symptoms of physical discomfort, the upper respiratory tract infection is more likely to be considered. You need to measure your baby’s temperature in time to find out if the fever in the hands and feet is caused by an increase in body temperature. Babies with fever in the hands and feet, if accompanied by other uncomfortable symptoms, should promptly seek medical attention, with the help of the doctor to clarify the cause of the disease, give standardized treatment.