The toothache brought half of the head pain, you can take the following three methods to relieve pain: First, oral pain medication, such as ibuprofen or loxoprofen sodium tablets, but this drug pain relief is time-limited, about eight hours of pain will be re-exacerbated. Second, the use of acupuncture therapy, acupuncture can numb the facial nerve, play a temporary relief of pain, the effect is also relatively good. Third, the most scientific way is to go to the hospital in a timely manner, large cities have emergency dentistry. For acute severe toothache, the doctor will drill the pulp under the effect of local anesthetic and clean the infected material in the pulp cavity at the same time, and the toothache will be eliminated instantly.