Red Bark has the effect of clearing heat and detoxification (removing heat and toxicity from the body), stopping diarrhea and bleeding, and is mainly used for treating heat diarrhea and dysentery, sore throat, sores and swelling, and many kinds of bleeding. Red Bark belongs to the heat-clearing and detoxifying medicines, and is the bark or root bark of the mangrove plant Mullein, family Mangroveaceae. Red bark is also known as five-legged li, five pear wrestling, bitter flavor, astringent, cold, into the spleen meridian, stomach meridian. Specific use: internal use can be decocted soup; external use appropriate amount, decoction soup wash, or fresh products pounded compress. Red bark is cold in nature, and should be used with caution by those with cold spleen and stomach (spleen and stomach weak and cold). People with allergic history to red bark are forbidden to use red bark. If necessary, please use it under the guidance of a professional Chinese medicine practitioner, and it is not advisable to use it on your own to avoid delaying your condition.