In most cases, the application of San Fu paste for children is effective, especially in cases of asthma, recurrent respiratory infections and allergic rhinitis, where the application of San Fu paste can mostly play a good regulatory role. Because the ingredients of San Fu paste mainly include ephedra, white mustard seeds, Gan Sui and other ingredients, which can play a good role in resolving phlegm. And it can stimulate children’s immunity, so that their immune function can be improved, thus effectively eliminating the floating phlegm in children’s bodies and strengthening their positive energy. The frequency of asthma attacks in children will be greatly reduced, and the symptoms of recurrent respiratory infections and allergic rhinitis in children will also be significantly improved.