Normal human body temperature fluctuates within a narrow range, such as oral temperature fluctuates between 36.0 and 37°C, with the lowest at 0-4 a.m. and the highest at 5-7 p.m. The difference is about plus or minus 1°C. Oral temperature above 37.3℃, rectal temperature above 37.6℃ and axillary temperature above 37.2 is called fever. Therefore, 38 degrees is a low fever, especially for some small children, if there is 38 degrees, parents should pay attention to the situation, if necessary, every half hour to measure the temperature to prevent the body temperature is too high. And for low fever we can take physical cooling methods to deal with, such as a warm bath, or wipe the whole body with a towel, these can be effective in reducing fever. 1, children with a fever of 38 degrees how to do hot water soaking feet, soaking feet can promote blood circulation and relieve discomfort. Another wonderful thing about soaking your baby’s feet when he or she has a fever is that it can help cool the temperature. Parents should also avoid the traditional method of covering sweat, so that the heat is not easy to disperse, the small infants within 3 months to take the “open package” open clothes, less clothing may have a gradual cooling effect, generally speaking, high fever baby should not cover the thick quilt, clothing should also be less. Warm water bath, with a towel dipped in warm water (water temperature does not feel hot hands is appropriate) in the neck, armpits, the root of the thighs wipe 5 to 10 minutes. Buy a chemical ice pack, freeze it in the refrigerator when you use it, take it out after it turns from gel state to solid, wrap it with a towel and put it on the top of the baby’s head, forehead, neck, armpits, groin, etc. It can be used repeatedly. In addition, to ensure sufficient sleep can be beneficial to the recovery of the disease. 2, children with fever should pay attention to what fever will make the body water evaporation, salt loss, heat consumption, should be timely replenishment, encourage more water, both to help reduce fever and facilitate the excretion of metabolites and toxins in the body, and can shorten, the time to heal. Children who sweat too much should also add the right amount of salt and sugar to the water to maintain the salt and sugar needed in the body. Children generally do not have a good appetite after a fever, do not force children to eat at this time, eat more instead may cause indigestion. When the appetite is poor and the fever is high, you can eat some liquid, such as juice, rice soup, egg milk, soy milk, etc. When the appetite is good and the fever is not too high, you can eat semi-liquid, such as lotus root powder, minced meat porridge, egg custard, etc. After the fever subsides, you can eat some thin rice, noodles, fresh vegetables, etc. Oily food should be eaten sparingly or not. 3, what are the symptoms of fever Generally speaking, when a person has a fever, his or her body temperature will be higher than the normal body temperature. Although the normal body temperature will also have a fluctuation, but there will be a range, above this range is the symptom of fever. In addition to a high body temperature, fever is also accompanied by dizziness, loss of appetite, and in some cases, even chills and shivers.