It is very normal to have a fever at night and not during the day, and this kind of fever is generally very common. Fever as long as it does not exceed 38.5 ℃, you can not take western medicine fever reducers, such as Tylenol, ibuprofen, aspirin, etc.. If the fever does not subside, or is repeatedly high fever should take antipyretic drugs. If the mental state is still okay, you can first use a fever-reducing patch on the forehead and change it once in 12 hours. Then use physical cooling methods, wipe the whole body with warm water, especially the palms of the hands, feet and other parts of the body that can easily dissipate heat. You can also take a bath, but take a hot bath, and pay attention to warmth measures. To drink more water, drink more water, sweat will drain more, but also can take away a lot of heat. Usually more sunshine, more exercise. Pay attention to the ventilation of the house, pay attention to environmental hygiene, as well as their own hygiene. Usually you can also supplement the immunity-boosting products as a way to enhance immunity to prevent infections, etc.