The main ingredients of Bing Bor San are ice chips, borax, cinnabar and xuanming powder. It is pink in color and has an aromatic smell, and its main function is to clear heat and detoxify, reduce swelling and pain, and is generally used for mouth and tongue sores, swollen and painful gums, and swollen and painful throat. As Bing Boran contains vermilion, which is mercury sulfide, a heavy metal salt, it is damaging to kidney function, so when using it, first, be careful and cautious. Secondly, the dose should be controlled, must be a small amount, short time, not long-term use, use a few times, use a few days can be. Ice borax can cause intense pain if it is applied to the ulcerated surface to treat mouth ulcers. There are other medicines for treating mouth ulcers, not necessarily borax. Currently, there are a number of films and sprays used to treat mouth ulcers. The film is meant to protect the wound, covering the ulcer surface and acting as a barrier to external stimuli. If the ice borax is put on it will aggravate its irritation and will cause severe pain.