Abstract: Cutting head is the core working part of roadheader, and the efficient and high performance design of cutting head is the key to improve the performance of roadheader.Based on the cutting head design theory and virtual prototype technology, a computer-assisted cutting head structure design and performance optimization method is proposed, calculation code is compiled, and relevant data are read and stored through Excel.In order to obtain more realistic cutting performance data of the cutting head, the coupling model of cutting head cutting rock wall is constructed using virtual prototype technology, and the database of matching structural parameters, working parameters, coal-rock-properties and cutting performance is established through a large number of simulations.The design of cutting head of EBZ-160 roadheader is completed, and the results show that the method can realize the fast and efficient design of cutting head, and the designed cutting head has good working performance.