Abstract: Accidents in coal mine frequently happened in recent years，which makes refuge chamber become a hot and ideal life-saving device.Therefore，the safety performance of the refuge chamber，especially the anti-explosion performance，is particularly important.By adopting the finite element software AUTODYN，and combining with TNT equivalent method and fluid-solid coupling method，the incentive effect of the refuge chamber on the pressure of shock wave as the obstruction on shock wave propagation path is simulated，and the pressure curve of each surface on refuge chamber is drawn.The results provide some theoretical support for the following nonlinear dynamic loading.

Key words: Refuge chamber, Explosion shock wave, Pressure load curve, Numerical simulation