Wireless mesh network is a new system of wireless information exchange network, due to the immature solution of communication protocols, there is no unified communication solutions. The existing routing protocol each have their own shortcomings,after analyzing the advantages and disadvantages of various types of protocol, proposeda routing algorithm based on multi transceiver which is able to avoid those busy nodes and to reduce network latency. Under the new system, mesh node would choose routing mainly based on ETT(expected transmission time) of every routing rather than minimum hops, which would provide a better way to choose routing that is able to avoid increasing partial network congestion while increasing network throughput.With thehelp of simulation software OMNeT++4.0, we can found that the new routing system has some advantages in networktraffic occasions comparing with traditional routing system.