It is challenging to build networking protocols for Underwater Sensor Networks(UWSNs) due to specific characteristics of UWSNs, such as high latency, low bandwidth, and high energy consumption. Therefore, Topology-Aware Routing(TAR) in Underwater Sensor Networks is proposed. TAR routing first makes each node obtain the network topology information through the interactive Beacon package, and establishes the neighbor information table. Then, based on the residual energy of the node and the reliability of the link, the next-hop forwarding node is selected to improve the stability of the route and balance the energy consumption among nodes. Simulation results show that the proposed TAR route enhances the routing stability and reduces the energy consumption of nodes.