The phenomenon of dizziness and nausea in moxibustion can be seen in physiological causes, but also in pathological causes, such as: hypotension, hypertension, arrhythmia, febrile diseases. 1. Physiological reasons: normal healthy people in the moxibustion can lead to accelerated blood circulation, there can be a transient dizziness and nausea phenomenon, generally need special treatment. 2. Pathologic causes: (1) low blood pressure: if the moxibustion person himself has low blood pressure, after moxibustion will lead to vasodilatation leading to a further decrease in blood pressure, brain ischemia and hypoxia, etc., thus appearing dizziness and nausea phenomenon. (2) Hypertension: If the patient has high blood pressure, moxibustion can promote blood circulation, resulting in increased blood pressure, resulting in dizziness and nausea. (3) Arrhythmia: If the patient has arrhythmia disease, moxibustion can promote blood circulation, peripheral capillary dilatation, etc., which can stimulate arrhythmia attack, and then the symptoms of dizziness and nausea. (4) febrile illnesses: if the patient has febrile illnesses, moxibustion can lead to a further rise in body temperature, thus appearing dizziness and nausea phenomenon. Moxibustion dizziness and nausea can also be seen in many cases, such as in the moxibustion symptoms need to contact the physician in time, moxibustion clinical treatment operations need to be carried out by a professional physician, do not moxibustion, to avoid adverse reactions.