This paper introduced Professor Xu Hua’s experience in treating children’s common diseases with external treatment of Chinese medicine. She emphasizes that good physician should not neglect the external treatment,and summarizes the five advantages of external treatment of Chinese medicine. She creates Tuire Powder for the treatment of exogenous febrile disease in children and Xiaodian Decoction with external washing for the treatment of allergic purpura. And she makes good use of infantile massage in the treatment of children’s common spleen and stomach diseases.