Abstract: The Sichuan Provincial Meteorological Information wide area network analysis after the completion of the transformation of meteorological information network monitoring work in the presence of upgrading, introduced vb.net and telnet protocol, realization of province city county level 3 network based on OSPF routing network monitoring and warning, and through the way of text messages and operators to achieve network fault declaration automatic, effectively solve the around the original municipal system administrator investment operations rely on ICMP packets to achieve municipal network monitoring, alarm and fault reporting problems, greatly reduce work intensity of city administrator and improve the network management and the efficiency of maintenance work.