Mouth ulcer patches can promote the recovery of mouth ulcers, and it is a combination of Chinese and Western medicine that provides rapid pain relief. It usually includes a number of medications, like ice chips in Chinese medicine, as well as vitamin B2, vitamin C, maringa, bupivacaine, and more in Western medicine. This mouth ulcer patch is commonly used to treat mouth ulcers, and it is applied to the ulcerated surface in the mouth, once a day, one patch for each ulcer site. There are many different kinds of medications for canker sores, and each one has certain indications. Not every mouth ulcer is suitable for mouth ulcer paste, the specific situation also needs the patient to go to the hospital in time for consultation.