The reason for nosebleeds after moxibustion is that moxibustion can cause nosebleeds due to fire, and moxibustion is a treatment for damp and cold diseases. When moxibustion is excessive or incorrect, it can cause the body to become inflamed. When the body is on fire, nosebleeds can easily occur, especially if the body has dry nasal mucous membranes or blood system disorders, which can be exacerbated by moxibustion. The cause of nosebleeds are blood system diseases, including thrombocytopenia, abnormal coagulation function, etc. will lead to nosebleeds. If you already have a cold and fire, adding the effect of moxibustion will aggravate the nosebleed.