In this paper, we report the calculation results of bifurcation diagrams in liquid crystal (LC) hybrid optical bistability. The x-A and x-xB bifurcation diagrams and A-xB phase portrait are given. The symmetry of the bifurcation diagram, the sudden change and hysteresis phenomena of chaotic regions, and the effect on the structure of chaotic regions caused by LC transmitance function with two peaks are observed.