Fever is a common symptom of pediatric diseases. There are often such children in the clinic. After the exogenous high fever subsides, the low fever usually persists for a period of time. The examination-related signs and laboratory indicators are normal, and the child has no obvious discomfort, mental illness. The condition is good, and there is no specific treatment method for western medicine. Other patients have fever of unknown cause, which often persists for high fever for 1-2 months, and the diagnosis of western medicine is unknown and difficult to treat. Therefore, these children are often treated in traditional Chinese medicine. It can be inferred from this text:. ['There is no specific treatment for children with persistent fever.', 'Western medicine is very effective for children with persistent fever.', 'Traditional Chinese medicine has a better effect on children with persistent fever.', 'Chinese medicine has a recipe for children with persistent fever.']