The embodiments of the disclosure provide a neural network processor, a chip and an electronic device. The neural network processor includes a convolution processing unit, a vector processing unit, and an instruction issue module. The convolution processing unit and the vector processing unit are both connected to the instruction issue module. The instruction issue module is configured to issue a plurality of instructions to the convolution processing unit and the vector processing unit in parallel. The embodiments of the application can improve the efficiency of the neural network processor processing data.