Objective To investigate the cost effectivemess after percutaneous coronary interention between original(Polivi) and generic(Taijia) and to better guide clinical drug selection. Methods In the Chinese Journal Full-text Database(CNKI), Wanfang Data Knowledge Service Platform(wanfang data) and Chinese Journal Full-text Database(VIP), the literature on the safety and effectiveness of Polivi and Taijia in PCI treatment.Evaluate the quality of the included literature, extract relevant data, and use the Review Ma...