Cross-system non-intrusive data acquisition system

The invention discloses a cross-system non-intrusive data acquisition system, and belongs to the technical field of computer systems, the cross-system non-intrusive data acquisition system comprises a central processing module, a retrieval module, an acquisition module and a storage module, the central processing module is used for explaining computer instructions and processing data in computer software, the retrieval module is in signal connection with the central processing module, and the acquisition module is in signal connection with the storage module. The retrieval module is used for retrieving target information, the acquisition module is in signal connection with the central processing module and is used for acquiring the target information, the storage module is in signal connection with the central processing module and is used for storing the target information, and the retrieval module is used for accessing at least one other system with the target information from a client and retrieving the ta