The harmful effects of foot washing with mugwort are currently unknown. The role of mugwort is currently unclear, and mugwort leaves are commonly used clinically as medicine. Mugwort leaves, has the effect of warming menstruation and stopping bleeding (warming the body’s meridians to stop bleeding in the body), dispersing cold and relieving pain (relieving pain by dispelling cold in the body), and dispelling dampness and relieving itching. It is used for treating blood in the stool, leakage of menstruation (excessive menstrual flow or dribbling), blood in pregnancy, irregular menstruation, dysmenorrhea, and restlessness of the fetus. Foot washing with mugwort leaves can generally help warm the meridians, promote blood circulation in the feet, and improve itching of the feet. Note that people with Yin deficiency and blood heat should be cautious of taking moxa leaves. If there is any discomfort after foot washing with mugwort leaves, it is recommended to stop using it and seek medical advice promptly.