With the further expansion of weather service, the monitoring of special elements, such as ultraviolet radiation and underlying surface temperature, has been added to the daily meteorological observation in Jiaxing Meteorological Service since 2006, and the surface meteorological autoobservation system has been accomplished based on the CAN bus in cooperation with by the Wireless Scientific Research Institute of Jiangsu Province. The system is composed of the central station computer, integrated observing service software, and various subcollectors. Characterized with the cordwoodlike expansion style and equipped with Microsoft VB60 as a development tool, the professional version of MS SQL Server 2000 based on the backstage database, and C/S as architecture, the system works satisfactorily for the multipoint and multielemental monitoring, can be widely applied in data query, statistical calculation, alarm monitoring, etc. Having excellent stability, minor signal attenuation, perfect capabilities, and friendly interface, and being easy to be expanded, the system can meet the increasing needs of meteorological service and be widely employed throughout the nation.