Children with body cold can use moxa leaf foot soak, moxibustion, etc., but the effect of external treatment is limited. You should consult a doctor to clarify the cause of the disease and standardize the treatment under the guidance of a physician. Children’s body cold may be congenital underdevelopment or feel the external evil caused by, often manifested as limb warmth, indigestion, abdominal pain, diarrhea, etc., the treatment should be warm tonic qi and blood, warm yang dispersal of cold (warm tonic yang qi, dispel cold evil), and so on. Mugwort is a medicine for warming menstruation and stopping bleeding, with pungent and bitter flavor, warm in nature, belonging to the liver, spleen and kidney meridians. It has the effects of warming menstruation and stopping bleeding, dispersing cold and relieving pain (relieving pain by dispelling cold in the body), and dispelling dampness and relieving itching when used externally. It can be used to treat menstrual disorders, metrorrhagia (excessive menstrual flow or dribbling), dysmenorrhea, dyspareunia, cold pain in the stomach and epigastric region, abdominal pain, and diarrhea. Externally, it can treat eczema and itching. Note that people with yin deficiency and blood heat should be cautious of using mugwort leaves. Children with cold body can use moxa soak feet, but the active ingredients in Chinese medicine soak feet dialysis is limited, it is difficult to replace the drug treatment of disease, if there is discomfort, it is recommended that the hospital, under the guidance of physicians standardized treatment, do not take medication without authorization, but also do not blindly use traditional Chinese medicine soak feet, so as not to miss the condition.