The invention discloses a hinge device and a refrigerator. The hinge device includes a mounting plate, a hinge shaft rotationally and slidably arranged relative to the mounting plate, a first bevel gear fixed to the hinge shaft, a rotary shaft rotationally and axially movably arranged on the mounting plate, a second bevel gear fixed to the rotary shaft and in fitly connection with the first bevelgear, and a first cam arranged on the rotary shaft; the mounting plate is provided with a second cam abutted to the first cam; when the hinge shaft is operably rotated, the first bevel gear drives thesecond bevel gear to rotate and the rotary shaft drives the first cam to rotate such that the hinge shaft and the rotary shaft are driven to slide to leave the second cam. The hinge device is simplein structure and low in cost, and allows a door to never exceed a box.