Ice Borax is not to be swallowed. Ice Boron San is a kind of proprietary Chinese medicine, which consists of ice tablet, calcined borax, vermilion sand and xuanming powder. Ice Boron San can clear heat and detoxify (remove heat and toxicity from the body), reduce swelling and relieve pain (eliminate swelling and pain), and is mainly used for the treatment of swollen gums and pain caused by heat and toxicity, sore throat and mouth and tongue sores, etc. The medicine should be blown on the affected area and not swallowed. Ice Boron Powder should be blown on the affected area and should not be swallowed. Because it contains cinnabar, which contains mercury and is slightly toxic, swallowing it may lead to mercury poisoning. In addition, pregnant women as well as lactating women should not use it, and patients with deficiency fire should also use it with caution. It is recommended that the use of ice boron powder under the guidance of a doctor, do not use at will, once the use of uncomfortable symptoms, please stop using immediately, serious cases should actively go to the hospital for consultation and treatment.