Cymbopogon flexuosus has the efficacy of dispelling wind and relieving itching; the side effects of this product are not clear at present. It belongs to a kind of traditional Chinese medicine, which is the skin, root and leaves of the walnut plant, with pungent, slightly bitter flavor and flat nature. This Chinese medicine has the efficacy of dispelling wind and relieving itching, and can be used for the treatment of skin ringworm disease caused by wind evil. Adverse reactions, contraindications and precautions of Cymbopogon flexuosus are not clear at present. Avoid smoking and alcohol, avoid spicy, greasy, raw and cold food during the period of taking the medicine, if the symptoms do not improve after taking the medicine, or even aggravate, need to consult a hospital in time. Before taking this medicine, you need to be guided by a doctor to identify the evidence, can not take the medicine on their own, so as not to cause adverse effects on the body.