The invention relates to an intelligent maintenance system and method for an urban railway transit axle counter subsystem. The intelligent maintenance system for an urban railway transit axle countersubsystem includes an axle counter maintenance machine, a data interface server, an analysis processing server, an application server and a memory disk array, a maintenance terminal and a backbone ring network, wherein the axle counter maintenance machine, the data interface server, the analysis processing server, the application server and the memory disk array, and the maintenance terminal are mutually connected through the backbone ring network. Compared with the prior art, the intelligent maintenance system and method for an urban railway transit axle counter subsystem has the advantages of high automation degree, high security, high intelligence, libration of maintenance manpower, implementation of increasing efficiency and downsizing staff and the like.