In order to realize high efficient data transmission and maximization of network lifetime

propose a label-based energy-balanced（ LBEB） routing.First of all

the routing embeds multiple independent shortest path trees into the network to construct a virtual tree-label system

then

based on the label system

different forwarding strategies aiming at different data types are designed: emergency data adopts greedy strategy forwarding to guarantee its time-delay requirement; and common datas use balance strategy forwarding

considering loads of neighbor nodes and residual energy

to alleviate congestion situation and balance energy consumption of nodes.Two strategies complement each other

and accomplish desired goals together.Simulation results show that LBEB can get good routing performance with suitable amount of overhead

and guarantee time-delay requirement of data at the same time balance the network energy consumption to maximize the network lifetime.