Angelica dahurica is mainly used in the treatment of cold and headache, nasal abyss (mainly manifested as foul nasal mucus, the amount of wipe not clean), toothache and other diseases. Angelica dahurica is a pungent and warm antidepressant, pungent in flavor, warm in nature, belonging to the stomach, large intestine, lung meridian, the main effect is to relieve the surface of the cold (to remove the cold of the surface of the muscle), dispel the wind and relieve pain (dissipate the wind and relieve the pain of the tendons and bones), to promote the opening of the nose and orifices, dry dampness and stopping the leucorrhea (stopping the leucorrhea by drying up the dampness), eliminating the swelling and draining pus (eliminating the swelling of the pus and drainage of the pus). Angelica dahurica is mainly used in the treatment of head and body pain caused by external wind-cold, nasal congestion and runny nose; swollen and painful gums; nasal abyss (mainly manifested as filthy nasal mucus, the amount of wipe unclean) of the nasal congestion; cold and dampness downstream due to excessive leucorrhea; sores at the initial stage of redness, swelling and hot pain, and so on. Because Angelica dahurica is pungent, warm, fragrant and dry (aromatic and dry), it is contraindicated for people with yin deficiency and blood heat. Specific drug use please consult a medical professional.