The invention discloses a movable type garbage compressor which comprises a garbage compressing box and a garbage storage box, an inner cavity of the garbage compressing box is communicated with an inner cavity of the garbage storage box, a garbage can turnover device is arranged at the front end of the garbage compressing box, and the garbage compressing device is arranged in the garbage compressing box. Front reinforcing ribs and rear reinforcing ribs are respectively arranged on the front end portion and the rear end portion of the garbage storage box, the front reinforcing ribs and the rear reinforcing ribs are connected on the outer top face of the garbage storage box and two opposite side faces, and the front reinforcing ribs and the rear reinforcing ribs are hollow structures. Draw bars are arranged above the outer top face of the garbage storage box, both ends of the draw bars are respectively connected with the front reinforcing ribs and the rear reinforcing ribs, an air passing channel which is communicated with inner cavities of the front reinforcing ribs and the rear reinforcing ribs is arranged in the draw bar, an air passing hole which is communicated with an inner cavity of the rear reinforcing ribs is formed in the garbage storage box, an air outlet hole which is communicated with an inner cavity of the front reinforcing ribs is formed in lower portions of the front reinforcing ribs. The movable type garbage compressor is simple in structure, high in strength of the garbage storage box, small in resistance of a garbage compressing device, little in energy consumption and abrasion, and small in dust pollution.