Abstract: In order to promote Fujian’s meteorological service for mobile information to meet the diversified, localized, mobile and interactive social needs for meteorological services, a meteorological mobile client service system called “know weather”was set up with meteorological service products, localized platform display and Intensive management. It provides a localized, intelligent and customized meteorological service for the decision making in meteorology, industry and public service at the fi rst time in the era of rapid development of mobile Internet. This article describes the system structure, composition logic, data fl ow and business process, analyzes the key technology achievements and transformed into development, presents the realization methods of the main function and the fi ne professionalism and informatization of meteorological service products. It was proved that the system is in high security, stability and reliability, and the management is efficient and intensive after running for seven years. The products had a wide audiences. It improves the service quality and efficiency in the meteorological services.