In the treatment of children, the manifestations of the tongue can be used to distinguish between hot and cold, which can be a guide for the selection of medications during treatment, and for the daily care of parents. Tongue diagnosis is divided into looking at the texture of the tongue and looking at the tongue moss, and it is also necessary to pay attention to the degree of wetness of the tongue. A light red tongue with a thin white coating and a slightly moist tongue is a normal tongue image. If the tongue is red or reddish-red, it means that the child has obvious heat in the body. If it is accompanied by redness and congestion in the throat, you should choose some medicine and food to clear heat, and eat a light diet with less fried and oily food. 2. If the tongue is light and dark, or if the tongue is fat and tooth marks can be seen on the edge of the tongue, then spleen deficiency is the main cause. This kind of children’s digestive function is generally not very good, easy to get sick, usually can use Poria, Atractylodes, Job’s Tear soup for a little regulation. 3, thick tongue moss, is the performance of heavy dampness in the body. If the tongue is thick and yellow, it is a sign of dampness and heat, clearing heat and removing dampness is the common method. If the tongue is thick and white, it is cold damp, when warm medicine to warm the cold damp, this time the Guangdong people often drink damp tea is not applicable. 4, look at the tongue also need to pay attention to the degree of moist, especially fever or diarrhea children, if there is a dry tongue, or appear to have a dry tongue crack, should pay attention to timely replenishment of fluid for children, so as to avoid the possibility of dehydration of children.