The main reasons for headache after moxibustion are as follows: 1. It may be caused by insufficient blood supply to the head and too long moxibustion time. Patients with insufficient yin and blood when moxibustion, can lead to insufficient blood supply to the head, resulting in headache. At this time, the patient should immediately stop moxibustion, appropriate rest, you can take tonics to regulate; 2, the patient moxibustion amount is large, there can be fire and so on, thus headache. At this time, the patient needs to go to the hospital to check, use drugs to clear the fire. Patients should pay attention to a light diet during the medication, drink more water, do not eat greasy, spicy, fried food, otherwise it will make the fire more serious; 3, the patient has a headache for more complex reasons, it may be caused by mental tension or an adverse reaction to moxibustion and other factors. So patients should find the root cause of the disease, in order to better management. If patients have adverse reactions to moxibustion, they should stop using it immediately, and they should pay attention to observing whether there are other diseases and treat them in time.