Punched quick airdrop airbag was taken as research object and the vertical landing process of the airbag was simulated. A simulation model of the airbag was established using Solidworks software and simulation was carried out using finite element analysis software Ansys/ LS-Dyna. The dynamic parameters, such as stress and strain of the airbag, were studied. The maximal value of the airbag and the area where the maximum strain occurs during landing process was obtained. As a result, the mass of airdrop body can be better specified, and the protection of the area with great stress and strain can be strengthened accordingly.