Based on convenience and safety of historical data application,B/S mode is used instead of database management structure of C/S mode,and it can not only combine database and network,but also realize the safe use of historical data online. High-level programming language is used to develop a online management and application system of historical meteorological data based on B/S mode. System data import function can import ground report file sequence of Xuzhou( including five county-level stations) into the database,construct Oracle database of Xuzhou and the five stations since 1953,and establish data tables of time,day,ten-day,monthly,quarterly and annual historical data,weather information and so forth. Management software of database server is established to realize instruction-level management and scheduling of database and a balanced distribution of resources among users. At the same time,a Web-based management application interface is set up to meet users’ needs to retrieve a variety of repositories,and it provides statistical query of time,day,ten-day,monthly,quarterly and annual historical data and climate data for each meteorological element,thereby meeting the needs of meteorological research and all sectors of society for statistical query of meteorological data.