Pulsatilla Oral Liquid generally has no effect on mouth ulcers, and Pulsatilla Oral Liquid is mainly used for the treatment of tonsillitis, pharyngitis and so on. Mouth ulcers can be sprayed on the ulcer surface watermelon cream spray or tin-like loose, can also be used topically recombinant human epidermal growth factor, to promote the healing of ulcers. Perianalgia can choose tretinoin suspension or prednisolone acetate suspension to be injected at the base of the ulcer, and oral transfer factor and levamisole can be taken to improve the body’s immunity. Mouth ulcers also and vitamin deficiency has a certain relationship, eat more fresh fruits and vegetables in normal times, avoid eating spicy and stimulating food, can also reduce the occurrence of mouth ulcers. Mouth ulcers must not blindly self-medication, it is recommended to go to the hospital in a timely manner, under the guidance of a professional physician to choose a reasonable drug to promote ulcer healing.