Children with symptoms of inflammation due to deficiency fire, such as mouth ulcers, can use Wu Zhu powder to apply to the Yongquan acupoints. It is not recommended to apply Cornus officinalis powder if there are no corresponding symptoms. Cornus officinalis has the effect of dispersing cold and relieving pain (relieving pain by removing cold from the body), warming the spleen and stomach to stop vomiting (treating vomiting caused by stomach cold by warming the spleen and stomach), and assisting yang to stop diarrhea, and it can be powdered into a fine powder, and applied externally with other medicines to the children’s Yongquan acupoints. Cornus officinalis can be used alone to relieve mouth ulcers in infants and young children; in combination with cholagogues, it has been shown to relieve salivation (drooling) in children; in combination with cumin, it can be used for mouth sores in children; and in combination with rhubarb, hu huang lien and cholagogues, it can relieve mumps in children. Cornus officinalis has a certain degree of toxicity of internal use, so the pediatric use of the drug more to take the method of external application of the Yongquan, the Cornus officinalis skin allergies of the child is prohibited, adverse reactions are skin allergies, rashes, fever and so on. Children in the feet of the Yongquan point external compress Cornus officinalis powder with other drugs, for mouth ulcers, salivation, mumps have a certain effect, the use of drugs need to be guided by a traditional Chinese medicine practitioner to identify the evidence, individuals should not self-medication.