The invention relates to a routing reconfiguration method for wireless communication network resources in power transmission line monitoring. In a chained transmission structure of a wireless communication network of a power transmission line, wireless transmission equipment forms a chained routing topology structure according to the relationship between neighbor nodes, the flow load information of the nodes is reported to a power transmission and transformation master station system at fixed period, and the routing reconfigurable node is decided by the master station system. During a routing reconfiguration process, the current node synchronously carries out re-planning of wireless frequency, so that the same frequency interference of a wireless system is effectively reduced. When a power transmission line monitoring network system has higher local load, an algorithm is capable of implementing load balancing of the flow, the data transmission hops are reduced, and the data transmission time delay is reduced.