Turn type bicolor protective jacket for tablet computer

The utility model discloses a turn type bicolor protective jacket for a tablet computer. The turn type bicolor protective jacket comprises a protective jacket rear shell which is of a single-layer butterfly-shaped hollowed-out structure, a supporting frame rotating shaft is installed at the axial symmetry position of the protective jacket rear shell, the supporting frame rotating shaft is further connected with a protective jacket supporting frame, the protective jacket supporting frame is matched with one half of the butterfly-shaped hollowed-out structure of the protective jacket rear shell in a completely nested mode, the protective jacket supporting frame is connected with a protective jacket front cover through a front cover two-face rotating shaft, a flexible transition belt is connected between the protective jacket front cover and the front cover two-face rotating shaft, and the protective jacket front cover comprises a protective jacket front cover face A and a protective jacket front cover face B. The problems that a protective jacket shell is single in color, instable in supporting, too thick and not beneficial to heat dissipation in the prior art are solved.