Fever is a common symptom in children. There are often such children in clinical practice. Low fever usually lasts for a while after the fever subsides, but the physical signs and laboratory parameters are normal. At the same time, there was no obvious discomfort and the child's mental status was good. Western medicine has no specific treatment. In addition, some patients have fever of unknown cause, which often lasts for 1 ~ 2 months. As a result, these children often seek treatment in traditional Chinese medicine.
The effect of traditional Chinese medicine on persistent fever in children is better can be inferred from the text.