A task allocation method, a chip are disclosed. The method includes: determining the number of threads included in a to-be-processed task; determining, in a network-on-chip formed by a multi-core processor, a continuous area formed by routers-on-chip corresponding to multiple continuous idle processor cores whose number is equal to the number of the threads; when the area is a non-rectangular area, determining an extended area extended from the non-rectangular area; and when predicted traffic of each router-on-chip that is connected to a processor core in the extended area does not exceed a preset threshold, allocating the multiple threads of the to-be-processed task to the idle processor cores in the non-rectangular area. According to the task allocation method provided in the embodiments of the present invention, problems of large hardware overheads, a low network throughput, low system utilization are avoided.