It is also known as Han Xin Cao (狭叶韩信草) and Tong Jing Cao (通经草). It has the effect of clearing heat and removing toxins, resolving blood stasis and diuretic. It is mainly used in the treatment of fever, carbuncle and sore throat. It is mainly used in decoction soup for internal use. It is cold in nature, pungent and bitter in flavor, and belongs to the lung, liver and kidney meridians. It has the effect of clearing away heat and removing toxins, resolving blood stasis and inducing diuresis. Clinically, it is mainly used in the treatment of carbuncle, sore throat, lung carbuncle, intestinal carbuncle, scrofula, venomous snake bite, bruise, vomiting blood, epistaxis, hemorrhagic gonorrhea, oedema, ascites and cancer, etc. It is also used in the treatment of cancer and other diseases. It is mainly used in decoction for internal use, but it can also be used externally by pounding the fresh product into a compress. It should be used with caution in weak bodies and pregnant women. Chinese medicine should be taken under the guidance of traditional Chinese medicine practitioners, and should not be used blindly to avoid delaying the condition.