The invention discloses an automatic washing machine for a mop and a special mop thereof, and relates to the field of daily necessaries. The automatic washing machine for the mop comprises a shell (11), a washing barrel body (1), a disinfecting system (12), a mop fixing frame (2), a two-way door opening and closing system (3), a driving mechanism, a water inlet and drain system, a cleaning solution feeding device (14) and a control panel, and is characterized in that the washing barrel body is arranged in the middle of the shell, a disinfecting system which is arranged on the shell and the two-way door opening and closing system (3) are arranged above the washing barrel body, the driving mechanism is arranged below the washing barrel body, and the water inlet and drain system and a water level detection system are arranged at the side wall of the washing barrel body; the shell is provided with the mop fixing frame, and a control panel is arranged at the top of the mop fixing frame. The automatic washing machine provided by the invention has the active effects of being stronger in detergency, safe to use, simple in structure, easy to produce, automatic to operate and convenient to operate, and the sterilization and deodorization can be realized.