Abstract:[Purpose/significance] Investigating the latest research and practice progress of science data integration at home and abroad,in order to providing reference for promoting the further development of science data sharing in China[Method/process] The science data integration system is divided into five branches:science data integration theory,science data integration method,science data integration technology tool,science data integration model and science data integration platformReviewing the latest progress of each branch in depth[Result/conclusion] For the purpose of improving the efficiency of science data integration,the standardization of science data should be promoted vigorously,and a perfect standard system should be formulated which embody the characteristics of science data sharing,promoting to realize the standardization of science data life cycle managementIn order to evaluate the effectiveness of science data integration scientifically,it is necessary to promote the evaluation research of science data integration