There is a difference between Ai Ye and Mugwort, Ai Ye is the leaves of Mugwort and Mugwort is the whole grass. Mugwort leaf is a commonly used traditional Chinese medicine, bitter, pungent, warm in nature, belonging to the liver, spleen and kidney meridians, it has the effect of warming the menstruation and stopping bleeding (warming the human body’s meridians and stopping bleeding in the body), dispersing cold and relieving pain (relieving pain by dispelling the cold evil in the body). For the cold hemorrhagic evidence, mugwort has a very good therapeutic effect. In general, it is often used in the treatment of bleeding by frying charcoal and combining it with medicines such as Colla Corii Asini and Di Huang, such as Colla Corii Asini Soup. For bleeding caused by blood-heat paranoia (heat evil causing the blood to go out abnormally), fresh moxa leaves can be combined with some medicines to cool the blood and stop bleeding, such as fresh Radix et Rhizoma Sangdianae, fresh Radix et Rhizoma Cyperiopsis, and fresh Lotus Leaf, etc. to treat bleeding caused by heat. Mugwort leaves used externally, can also dispel dampness and kill insects to stop itching, clinically used for eczema, pubic sores, scabies and other itchy skin diseases. People with yin deficiency and blood heat should be cautious of using mugwort leaves. Mugwort leaves can be cut at the time and grass together with the cut, pounded and sunshine velvet is moxa velvet, can also be made into moxa sticks to use. The medication needs to follow the doctor’s instructions, do not take on your own.