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It is significant for lake pollution control to fast acquire spatial information of its water quality and to build its information system. Used the free download image beamed by HJ-1A /1B as the data source and C/S as the framework, the research implements an information system at the command of remote sensing information extraction and water quality monitoring. Besides massive data auto-filter, image automatic preprocessing, application data management and auto-inversion of water quality parameters, the practicability and expansibility of the monitoring system are fully taken into account. Therefore, the system promotes the socialization of remote monitoring system process effectively.