Objective To observe the inhibition effect of extracted parts from Qi-Boosting Toxin-Resolving Formula on nasopharyngeal carcinoma CNE2 cell and transplanted tumor.Methods MTT method was used to determine the effect of polysaccharide extract,ethyl acetate extract(EAE) and ethanol extract on CNE2 cell proliferation in vitro.CNE2 nude mice transplant tumor model was established and randomly divided into model group,EAE group,DDP group and the combined treatment group(n=8),and was given saline,Qi-Boosting Toxin-Resolving Formula EAE,DDP inject...