Gegen Qinlian Decoction can be used to treat intestinal dampness and heat.In addition to diarrhea diseases, it is also commonly used in the treatment of diabetes, hypertension, hyperlipidemia, obesity and other chronic metabolic diseases.It can not only alleviate symptoms, but also reduce blood sugar, blood pressure, lipid and weight.Neck stiffness, blush, red lips, red tongue, dry mouth, sweating, palpitation, insomnia and feces are the key indications of Gegen Qinlian Decoction.It can be used alone to reduce blood sugar for diabetes mellitus.In the treatment of hypertension, it can reduce blood pressure when being used alone or combined with Tianma Gouteng Yin or Chaihu Jia Longgu Muli Decoction.Large dose(30-120 g)of, Pueraria lobata, is the key to the effect of Gegen Qinlian Decoction.