Angelica dahurica can be used to treat toothache. Angelica dahurica is an antidepressant Chinese herb that has the effects of relieving cold, clearing heat and removing toxins (removing heat and toxicity from the body), relieving swelling and relieving pain (eliminating swelling and pain), clearing the nasal passage, drying dampness and stopping bandages. It can be used in the treatment of colds and headaches, brow and bone pain, nasal congestion, nasal congestion, nasal abyss, toothache, bandhida, sores and swelling and pain. Due to its effect of clearing heat and removing toxins, subduing swelling and relieving pain, it has therapeutic effect on gum swelling and pain caused by solid heat. However, the use of the drug should be noted that the adverse effects of the drug is not clear, but pregnant women and patients with Yin deficiency and blood heat should not be used. Toothache patients, it is recommended to go to a regular hospital, under the guidance of a professional physician to identify the treatment, not to take on their own, so as not to delay the condition.