The principle of moxibustion is the same as that of traditional moxibustion, in that the moxa leaves are ignited and the heat is applied to the body through the skin. The mugwort leaf itself also has the effect of warming the meridians and expelling cold and dampness, so the mugwort patch can treat all cold and dampness diseases and chronic diseases, such as rheumatic arthritis, weakness of the waist and knees and abdominal pain caused by kidney yang deficiency, delayed menstruation, infertility and dysmenorrhea caused by uterine cold. Mugwort has a warming effect on yang, yang as the sun, mugwort also has a back yang effect. This product can make the qi warm and regulate, Ying and Wei and smooth, while the stagnant blood naturally disperses, so it is also used to treat various diseases of stagnant qi and blood, especially cold hands and feet caused by cold clotting and blood stasis. If the tongue is red and the mouth is dry due to various diseases, the use of Ayurveda is prohibited.