Moxibustion of the knee area is contraindicated for patients who are emotionally unstable, have a deficiency of yin and internal heat, or have inflammation or bleeding tendency in the knee area. Moxibustion is a kind of traditional Chinese medicine operation which has the function of promoting qi and blood circulation, warming the meridians and collaterals, elevating yang and lifting the sunken organs (elevating and lifting the yang qi of the organism in order to lift the sunken organs) and eliminating swellings and scattering the knots, restoring yang to save the body (rescuing the syncope, unconsciousness, etc. by warming and replenishing the yang qi), etc., and it can treat the symptoms of deficiency, coldness, heat and actuality, and the therapeutic scope is wide. If the patient is in a state of emotional instability or drunkenness, Yin deficiency and internal heat, it is contraindicated to use moxibustion therapy to moxibustion knee area. Moxibustion is also contraindicated if there is inflammation in the knee area. For people with bleeding tendency, moxa allergy and other special conditions, moxibustion is also contraindicated in the knee. For patients who are unconscious, numb and have dulled senses, the amount of moxibustion during the moxibustion process should not be too large. During the period of moxibustion of the knee should not intake of cold food, moxibustion time, acupuncture points, heat, etc. need to be gradual. It is recommended to go to the regular hospital moxibustion, do not operate privately to avoid improper moxibustion caused by local skin damage.