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Adopting cloud technology and WEB technology, a cutting machine monitoring system is designed based on Ali Cloud. The system is mainly divided into Ali WEB monitoring terminal and local motion control terminal. The upper machine on local server system is built by Winform framework. And the server system through OPC UA protocol to communicate with cutting machine controller, which can control cutting machine to process cutting material. Ali Cloud WEB monitoring terminal is developed by the mode of separating front end and back end. The front-end user operation interface is designed by VUE framework. In the operation interface, layout result visualization area is built by Canvas tag. The back-end is designed based on Django framework, which mainly design the cutter layout algorithm for generating a single cutter shape slice layout scheme on blanking material, then deploy the developed system to Ali Cloud server. Finally, the issuing of control commands and the return of running data are realized by the MQTT data interaction module.