The invention discloses a NoC arbitration method based on global node information in a GPGPU. The method comprises the following steps: S1. collecting performance information of each computing node inthe network, setting the priority of each computing node according to the performance information, and broadcasting the priority to all computing nodes for global synchronous updating; S2. when the computing node issues a memory access request, grouping data packets that need to be injected into the network in each computing node to obtain grouping information of the data packets; when the computing node performs requesting arbitration, performing inter-group arbitration according to the grouping information, and performing intra-group arbitration according to the priority of the computing node, and multiple requests win after the intra-group arbitration, performing additional arbitration by using a local arbitration mechanism. The NoC arbitration method disclosed by the invention has theadvantages of simple implementation method, high arbitration efficiency, fairness of arbitration, optimization of resource allocation, consistency of arbitration results, and improvement of system performance.