Objective To purify total triterpenes from Actinidia Chinensis Planch root by macroporous resin and to explore its anti- tumor activity. Methods The percentage of total triterpenoids from Actinidia Chinensis Planch root was taken as indexes to determine the extraction technology by AB- 8 macroporous resin. The effect of total triterpenoids on the proliferation rates of human colon cancer SW480 cells and LOVO cells,human breast cancer MCF- 7 cells,and human hepatoma SMMC- 7721 cells was assessed by CCK- 8 as...