ANSYS/LS-DYNA was used to carry out simulation of a new type landing cushion airbag. The whole landing cushion process was simulated form airbag material definition, model construction, and simulation result analysis using C-V airbag control arithmetic. The simulation result showed that the design maximal impact acceleration of the airbag is 8.6 g, which is lower than the allowing fragility of common ammunition, and which means the design requirement is satisfied.