Mugwort can be made into the use of the Chinese herbal medicine moxa, its internal use of waist warming effect is not great, but if made into moxa sticks and other smoked moxibustion for external use, the waist warming effect is better. Chinese herbal medicine moxa is the dried leaves of the plant Ai, family Asteraceae, with warm menstruation to stop bleeding (warming the human body meridians to stop bleeding in the body), dispersing cold to relieve pain (through the removal of cold in the body to relieve pain), dispel dampness and relieve itching and other effects. Internal decoction is often used in women’s abdomen (abdomen) cold pain, menstrual cold, menorrhagia, cold infertility and other conditions of treatment; vinegar moxa charcoal is often used in the treatment of cold hemorrhage; pounded velvet for cones or made of moxa moxibustion external, with the help of moxa heat, moxibustion lumbar can be played to warm up the role of the waist. It should be noted that the flavor of moxa is pungent and warm, Yin deficiency blood heaters should be used with caution, and its small toxicity, so do not take blindly, the use of Chinese herbs should also be under the guidance of the physician’s diagnosis.