What happened to the child's white tongue?

First of all, we should pay attention to whether there are cold factors. If some colds are caused after catching cold, accompanied by runny nose and sneezing. Mainly caused by exogenous factors. Generally cold, need to eat some cold cold particles symptomatic treatment. If not cold, then also see whether it is because there is food accumulation, especially because eat too much, stool constipation or a few days without stool, need to eat some probiotic drug treatment. There are also some thrush, if thrush, need to use some anti-infective drugs treatment. Normal is due to low immunity caused by the breeding of oral bacteria, but also pay attention to children eat some nipples to be disinfected.