Forsythia suspense extract is the extract from the fruit of Melilotus plant Forsythia suspense. It mainly contains forsythin, forsythiaside, oleanolic acid, etc. it has antibacterial effect, can inhibit typhoid bacillus, paratyphoid bacillus, Escherichia coli, dysentery bacillus, Diphtheria Bacillus, Staphylococcus, Streptococcus and Vibrio cholerae, etc., and has pharmacological and chemical book effects such as cardiotonic, diuretic and antiemetic, Forsythia is commonly used in the treatment of acute wind heat cold, carbuncle swelling sore poison, lymph node tuberculosis, urinary tract infection and other diseases. It is the main raw material of Shuanghuanglian oral liquid, Shuanghuanglian powder injection, Qingrejiedu oral liquid, liancaojiere oral liquid, Yinqiao Jiedu Granule and other traditional Chinese medicine preparations. This information is edited by he Nannan of chemicalbook.