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This paper analyzes the current application field of image matching and the status quo of terrain matching processing application, and proposes to build a Web-based terrain matching system. The whole architecture of the terrain matching system consists of web site, message scheduling server, document server and matching processing service. The website system, message scheduling server and document server are hosted in Alibaba Cloud server, and the matching processing service is deployed in another system. On the GPU server, the web site communicates with the matching processing service through a message passing mechanism to realize the separation of the GPU terrain matching calculation from the function of the map website. This paper introduces the software environment on which the system implementation depends, implements the encapsulation of the matching algorithm, describes the terrain matching processing flow, and designs the system page, and analyzes the application results of the system terrain matching with examples.