A finite element model of a pad-wheel brake device was established using ABAQUS to predict the brake squeal noise. The influence of friction coefficient between the friction body and the tread, Young’s modulus of the friction body and the back plate on the brake squeal noise are studied. Results show that the friction coefficient had a significant influence on squeal noise, reducing the friction coefficient could suppress the occurrence of the brake squeal noise; and under the premise of without influencing on the braking performance, increasing the Young’s modulus of the friction body or decreasing the Young’s modulus of the back plate appropriately could suppress the occurrence of the brake noise.