Since 2018, Water Pollution Sources Management System has been reviewed about its function, process and interfaces. After that, the functions were launched progressively, which improved the management efficiency, operation friendliness, and information security. In accordance with laws and regulations, with user needs and the analysis results of the use of various functions, this project improves the application, review, inspection, control and statistical analysis functions of the system. Make suggestions for improvement the control effect. For the Water Quality Protection Geographic Information System, layer nesting function has also been added, and Abnormal Water Quality Promulgation System were also added the function of downloading form of memorabilia. Besides, because the laws of pollutant permit are integrated. The related systems need to be adjusted.For the case management, application, review, information disclosure, billing and payment, issuance of certificates and other operations. Ensure that subsequent integration operations can be smoothly promoted. During the implementation of the plan, consulting services are also provided, and at the same time, it cooperates with the transfer reporting functions. Provided 6 sessions of seed users training for review agencies and assisted review agencies as instructors for 32 sessions of education and training, so that users can familiarize themselves with the new system function interface. Through the above achievements, information security protection and system function maintenance are implemented.To ensure the correctness and integrity of data, maximize the efficiency of decision and execution could be maximized, and improve the effectiveness of water pollution prevention and control.

Management Information System, Water Pollution Sources Management, System Optimizing