Foot soaking in moxa leaf water generally can not treat gray nails, it is recommended that patients with gray nails seek medical treatment in a timely manner. Mugwort leaves, taste pungent, bitter, warm; to the liver, spleen, kidney meridian. Clinically, it is mainly used for the treatment of vomiting blood, hemoptysis, blood in the stool, leakage (excessive menstrual flow or more than a few drops), pregnancy blood, menstrual disorders, dysmenorrhea, fetal restlessness, cold pain in the heart and abdomen, diarrhea and dysentery, eczema, scabies, hemorrhoids, carbuncle ulcers and so on. Foot soaking in mugwort leaf water can relieve the itching of the skin of the feet, relieve fatigue, etc., generally can not treat gray nails. Need to pay attention to, Yin deficiency blood heat people should be careful to take mugwort leaves. If there is any discomfort after soaking feet in mugwort leaf water, it is recommended to stop using it in time and consult a doctor.