Runfei ointment has the effects of moistening lung, benefiting qi, relieving cough and resolving phlegm. It can be used for treating lung qi deficiency, chest distress, chronic cough, asthma and spontaneous sweating. Although children can take this medicine, the dosage of children is generally different from that of adults. The dosage of adults is fixed, children are in the process of continuous growth and development, and each system has its own physiological and anatomical characteristics. Therefore, children's medication has its own characteristics, not only the epitome of adults, but also needs to be considered by age group. It is not recommended to give drugs to children without authorization.