Abstract: In order to improve the flexibility of assembly and expansion in simulation of rolling process on computer, MATLAB/Simulink was used as a basic platform, which is often adopted in control systems. A transfer function model building for main rolling equipment was denoted by the simple block diagram with input and output interface, and dispatched and constituted freely as practice equipment, then various control systems was built. The visualize simulation method for rolling was developed, which can study the model independently and assemble different control schemes easily. Several hydraulic AGC systems were simulated under the same initial condition, and the result shows that the dynamic set AGC is more steadily.