Analysis of the armor target damage is an important measure of developing the shell and armament. In order to conquer the shortage of traditional method, the process of chipping field produced by some high-explosive shell was simulated by ANSYS/LS-DYNA, the damage of protective armor by different quality chipping and different distance burst was also researched based on the basic principle and process of the finite element analysis, which provided the advantaged gist for proper evaluation of target damage to improve the shell and protective armor. The method was proved to be validity by the result data compare.