Dong Ling Cao has the effect of clearing heat and removing toxins (removing heat and toxicity from the body), activating blood circulation and relieving pain (relieving pain by removing blood stasis), and is mainly used for treating rheumatism and arthralgia, sore throat, chronic hepatitis, bronchitis, colds and headaches, and snake bites, etc. It is one of the heat-clearing and detoxifying medicines. Donglingcao belongs to the heat-clearing and detoxifying (removing heat and toxins from the body) medicines in the heat-clearing medicines, belonging to the whole grass of the plant Crumbs in the family of Labiatae. Donglingcao is also known as mountain herb. Donglingcao is bitter, sweet and cold in nature. It enters the liver meridian and spleen meridian. It can be used internally and externally. With the effect of clearing away heat and detoxification, activating blood circulation and relieving pain, it is long used in the treatment of rheumatic arthralgia, sore throat, chronic hepatitis, bronchitis, colds and headaches, snake and insect bites, and so on. It is also effective in activating blood circulation and removing blood stasis (promoting blood circulation and eliminating blood stasis in the body), and should be used with caution in pregnant women. The adverse reactions of Dong Ling Cao are not clear. People who are allergic to Dong Ling Cao are not allowed to drink Dong Ling Cao in water. Please use under the guidance of a professional Chinese medicine practitioner if necessary.