The invention discloses a floor cleaning tool. The floor cleaning tool comprises a U-type installing frame, a rotary shaft is arranged inside the installing frame, one end of the rotary shaft is rotatably connected with the inner wall of the installing frame, the other end of the rotary shaft penetrates through the side wall of the installing frame and extends to the exterior of the installing frame, a first installing plate is fixedly connected to the side wall, inside the installing frame, of the rotary shaft, a collodion cotton mop is fixedly connected to the end, away from the rotary shaft, of the first installing plate, a second installing plate is fixedly connected to the side wall, in the installing frame, of the rotary shaft, the second installing plate and the first installing plate are symmetrical, brushing bristles are fixedly connected to the end, away from the rotary shaft, of the second installing plate, a fixing hole which is formed vertically is formed in the end, installed outside the installing frame, of the rotary shaft, and an adjusting mechanism matched with the fixing hole is fixedly connected to the outer side wall of the installing frame and comprises a first fixing plate. The floor cleaning tool is simple in structure and convenient to operate; through rotation of the brushing bristles and the collodion cotton mop, it is avoided that two kinds of toolsare changed in turns.