Open Throat Sword can treat mouth ulcers, belongs to the Chinese medicinal preparation, the main ingredients are eight-clawed golden dragon, Yam bean root, cicadas, peppermint, etc., the main effect is to clear away heat and detoxification, reduce swelling and relieve pain, treatment of mouth ulcers, swollen gums, sore throat have a good effect. Mouth ulcers have a complex etiology, which is related to mechanical injury, underlying diseases, autoimmune dysfunction, mental and neurological factors. The treatment of mouth ulcers, on the one hand, is to treat the symptoms, that is, the local use of drugs to promote the healing of mouth ulcers, on the other hand, is to find the cause of the disease, otherwise it is easy to recur. Local treatment of mouth ulcers with more drugs, Western drugs, including hormone drugs, antimicrobial drugs have patches, dispersions, gargles, etc., each with its own effect. Open Throat Sword Spray for mouth ulcers can play the role of Chinese medicine antibacterial, anti-inflammatory, promote wound healing, so the effect is also good, Chinese medicine believes that the treatment of lungs, stomach heat caused by mouth ulcers is more effective.