The itching after moxibustion can be seen in physiological reasons, but also can be seen in pathological reasons, such as allergic dermatitis, skin burns and so on. 1. Physiological reasons: normal healthy people after moxibustion local vasodilatation, the phenomenon of local congestion, which may appear itchy phenomenon. 2. Allergic dermatitis: If there exists an allergy to the moxa produced, moxa leaves, heat environment, etc., an allergic reaction can occur after moxibustion, which can be manifested as itching symptoms. However, generally also can show local allergic skin lesion characteristics such as wind, rash, redness and swelling. 3. Skin burns: In moxibustion, localized by the high temperature, easy to appear localized burns, when the slight burns can be manifested as itching symptoms, but generally also accompanied by localized redness, swelling, blisters and other symptoms. If itching occurs after moxibustion, you need to contact your physician in time and follow the doctor’s instructions for treatment, do not diagnose and moxibustion on your own to avoid adverse reactions.