Objective To explore the mechanism of Jiawei Duhuo Jisheng Mixture on knee osteoarthritis(KOA) with liver-kidney deficiency syndrome by GC-MS metabolomics methods.Methods Totally 25 patients of KOA with liver-kidney deficiency syndrome were randomly selected and treated with Jiawei Duhuo Jisheng Mixture,62.5 mL/time,twice a day,7 days a course,4 courses for oral administration.The serum of the patients before and after treatment was detected by GC-MS and the metabolic data were analyzed by multivariate statistical analysis.Results After the treatment of Jiawei Duhuo Jisheng Mixture,the content...