Moxibustion should be touched after at least 1 hour, especially not cold water, to avoid the invasion of cold and damp. Moxibustion is a moxibustion material made of mugwort leaves, which produces moxa heat to stimulate the body surface acupuncture points or specific areas to adjust the body’s disordered physiological and biochemical functions by stimulating the activity of meridian qi, so as to achieve the purpose of disease prevention and treatment. Moxibustion will open the pores of the body, discharging a large amount of sweat, so that toxins, blockages and other substances out of the body, regulating the operation of human qi and blood, dredging meridians, warming the meridians and dispersing cold. If you touch water just after moxibustion, it may cause cold and dampness to enter, blocking the meridians and viruses, aggravating the condition or causing joint pain. In addition, patients should also pay attention to drink warm water after moxibustion to replenish the consumption of fluid during moxibustion, which also helps detoxify the body and strengthen the effect of moxibustion, and also pay attention to keeping warm to avoid the invasion of external evil.