Bing Boran can be used for the treatment of mouth ulcers, but care should be taken to master the correct use and contraindications. Mouth ulcers themselves can be caused by a variety of reasons, including immune dysfunction, nutrient, vitamin and trace element deficiencies. The main ingredients are ice chips, borax, cinnabar and xuanming powder, all of which are mineral substances with the main effect of clearing heat and detoxifying, reducing swelling and relieving pain. General sore throat, gum swelling and pain, mouth and tongue sores, that is, mouth ulcers can be used, and also have a certain effect. Ice borax has a certain degree of toxicity, so when using it must pay attention to the correct method, do not swallow after applying it to the local ulcer surface, and rinse your mouth after use to ensure safety and non-toxicity. If you are pregnant or breastfeeding, it is forbidden to use ice borax, and ice borax is a topical medication. For stubborn mouth ulcers, you may also need to use systemic medication and life conditioning in order to achieve satisfactory treatment results.