Moxa-moxibustion is one of the important therapy in the Traditional Chinese Medicine, Which can rescue the major yang qi, Unblock all meridians and treat all illness, and has already used for thousands of years for the doctor of the Traditional Chinese Medicine. However recently few doctor consider that moxa smokes can cause patient improper and violate the Safely-Sanitary Labor Law and they Give up such effective treatment and Lash it out on the media. This paper is base on the moxa-moxibustion effect, the constitutional law, the interpretation of great judge meeting and related legal question. It discussed the misunderstanding to the mosamoxibustion for common people and revealed the original of constitutional law guarantee of mosamoxibustion.