Abstract: The shear test studies of concrete under five different loading rates and six different normal stresses are carried out by a dynamic and static three axis apparatus, the effects of stress and loading rate on the shear performance of the concrete are analyzed in this paper. Based on the Bresler-Pister static strength criterion, the shear strength criterion of the concrete considering the rate effect is put forward. The analysis results show that the shear strength of the concrete with the normal pressure increases linearly in stages, within a certain range of the normal compressive stress, the shear strength increases approximately in a straight line, and the magnitude of the increase begins to decrease when the shear strength exceeds a certain range; under the conditions of the compression and shear, the main factor in improving the dynamic shear strength of concrete is the increase of the normal pressure, and the loading rate has a little influence on it. The rate effect of the concrete increases with the increase in the normal pressure; and the dynamic shear strength criterion of the concrete based on the Bresler-Pister quasi static strength is in good agreement with the experimental data, which can provide references for the strength criterion of the concrete under the actions of the dynamic pressures.