Asthelargesteconomicentitiesandmajortradingnations，China，Japan and the United States have shown different export performance characteristics of their producer services in recent years. Based on constant market share model(CMSmodel)，this paper decomposed the export perfor mance of producer services of the three countries intodemand-inducedeffect，structural ef ectandindustrial competitive-nessef ect，and then explored the real influence of these various efects on export growth. Finally，the paper put forward some suggestions for improving the export performance of China's producer services.