Cost-effectiveness Analysis of Ginkgo leaf extract and dipyridamole injection in the Treatment of Angina Pectories of Coronary Heart Disease TANG Lian1,ZHANG Wei2,CHEN Xiangfan1 ( the First People’s Hospital,Jiangsu Nantong 226001; University,Jiangsu Nantong 226001) ABSTRCT OBJECTIVE: The study aims to evaluate the efficacy, security and economics of Ginkgo leaf extract and dipyridamole injection combined with conventional medication versus conventional medication in the treatment of anginapectories of coronary heart disease. METHODS: Use ‘Ginkgo Leaf Extract and Dipyridamole’,‘Angina pectories’ as keywords to search data base like Pubmed, Embase, Cochrane Library, CNKI, CQVIP, Wanfang database from the inception to December 2020. Use to carry out Meta-analysis and analyze the publication bias of obtained results; Evaluate the cost-effectiveness and conduct single factor sensitivity analysis and probability sensitivity