The utility model discloses a girdle comprehensive mechanization gob entry supporting device, including collecting space area and first backup pad, one side lower extreme of first backup pad is fixedwith the base, the lower extreme of base is equidistant to be equipped with a plurality of mobile devices, one side upper end of first backup pad is rotated and is connected with the second backup pad, the upper end of base one side is equidistant to be fixed with a plurality of second hydro -cylinders, the lower extreme one side in the second backup pad is fixed to the output shaft end of secondhydro -cylinder, the opposite side four corners of first backup pad all is fixed with the telescopic link, and the end of four telescopic links is fixed with the baffle jointly. The utility model discloses going on simultaneously with mining when using, each other not influencing, the device adopts a plurality of hydro -cylinders to support has simultaneously increased the firm of mine tunnel, make the tunnel that flows down more firm through concrete slip casting, has saved the fine diffusion that has completely cut off harmful gas such as gas of the cost of arranging a fender pile and time simultaneously, has increased work efficiency, suitable popularization.