For normal adults acupuncture on the head is not harmful because the head is covered by the skull and acupuncture is basically unable to pass through the skull. However, children under the age of three, whose heads are not yet fully developed; patients with cranial or brain injuries as well as those suffering from brain-related diseases, should not have acupuncture. Acupuncture works mainly by stimulating acupuncture points to unblock meridians and channels, regulate qi and blood, and prevent and treat diseases. Children under three years of age have not yet closed fontanel and cranial suture, some acupuncture points are close to the fontanel; patients with brain injuries may have broken skin, if the acupuncture is not appropriate, it will cause bleeding or infection of the epidermis of the brain. It should also be noted that acupuncture head needs to be used after the doctor’s diagnosis, the need to choose the head acupuncture points, in addition, the head of the Fengfu point, Fengchi point, Yuqiu point and other points to pay attention to the depth and direction of needling, otherwise there is a risk, it must be operated by a professional doctor. The head is rich in capillaries, if you take the needle improperly will appear subcutaneous oozing blood, apply moxibustion for too long or the temperature is too hot, blisters will appear. Therefore, you must go to the regular hospital by a professional doctor for acupuncture. In addition to the above two categories of people should not acupuncture, hunger, fatigue, nervousness should not acupuncture. If you experience discomfort during acupuncture, please stop immediately and seek help from your physician.