Abstract:To compare the pharmaco-economic difference of Qizheng Xiaotong Plaster and Voltaren Emulsion on Acute and prolonged lumbar sprain.Methods:Total of 299 Acute lumbar sprain patients took Qizheng Xiaotong Plaster and Voltaren Emulsion and observed effectiveness and health-related quality of life (EQ-5D), and conducted cost-effectiveness analysis and cost-utility analysis. Results:Qizheng Xiaotong Plaster can significantly relieve the pain at day14 (P<0.001), and alleviated other symptoms of tenderness, movement disorder, spinalare better than Voltaren Emulsion at day14 and day28. Conclusion: The Qizheng Xiaotong Plaster was more cost-effective than Voltaren Emulsion.