The baby appears a little fever a little fever, with the baby’s physique, due to the imperfect development of the thermoregulatory center, teething, accumulation of food, etc., in the pediatric stage will appear this phenomenon, common situations and related recommendations are as follows: 1, infectious fever: when bacteria, viruses, mycoplasma and other pathogens infect the child, it will affect the thermoregulatory center caused by fever. But because the baby is still young, the body’s thermoregulatory center is not fully developed, the thermoregulatory center chaos, so that the fever occurs and the symptoms of self-resolution. At this time, you can first try physical cooling, parents can use warm water to help wipe the baby’s body, focusing on the armpits, neck, groin and forehead and limbs, in order to lower the body temperature. At the same time, the air in the room should be kept circulating and the temperature should be kept at about 25-27°C. Let the child drink more warm water to avoid excessive water loss in the body due to repeated fever. If the condition recurs, take oral acetaminophen to apply medication to lower the temperature. In addition, a certain degree of temperature elevation may occur in the case of accumulation of food and teething, but the normal body temperature will be restored after a while, so parents usually do not need to worry too much, and children with accumulation of food can take probiotics or lactobacillus tablets to relieve the symptoms; 2. Central fever: due to brain lesions such as encephalitis and meningitis resulting in the involvement of the hypothalamic thermoregulatory center, excessive heat production or heat dissipation disorder, which requires timely medical treatment; 3. When teething, there will also be a certain degree of temperature increase, but a little later will return to normal body temperature. There is no need to worry too much, and children with pent-up food can take probiotics or lactobacillus tablets to relieve symptoms.