If your child has a fever in the middle of the night and there are no antipyretics or other anti-infective or antipyretic medications, you should take the temperature immediately to see how high it is. Usually you can take physical cooling methods, such as putting cooling patches on the forehead, neck and underarms to assist in reducing fever, or you can give your child a warm water bath, which has some effect. Of course, if the fever is more severe, by the forehead paste, cooling paste and warm water bath did not achieve significant results, you can give the child a warm bath, the effect is good. Of course, the fever will be reduced by sweating, if the child does not sweat, in a state of dehydration, the fever will be difficult to reduce, so after the physical cooling, the child should also give appropriate hydration to reduce the fever effect is good. After the fever is gone, you should take your child to the hospital as soon as possible to find the cause of the fever, and treat and deal with the cause.