The invention provides a human resource-oriented multi-source heterogeneous big data fusion basic information system. The system comprises a user side, an enterprise unit side, a training institutionside and a server background, wherein the user side, the enterprise unit side and the training institution side are connected with the server background through the Internet, and the server backgroundis connected with the database and provides data storage and data retrieval; the server background comprises a data management module which is used for managing data edited and uploaded by the user side, the enterprise unit side and the training institution side and interaction data among the user side, the enterprise unit side and the training institution side. The human resource-oriented multi-source heterogeneous big data fusion basic information system provided by the invention integrates multi-aspect information, so that a user can find work and courses at the same time, and can inquirelife information such as social insurance, employment service institutions, training institutions, vocational qualification certificates, talent evaluation, housing accumulation fund and job fair information.