The invention discloses a rotary trolley type water-type fire extinguisher capable of automatically accommodating rollers. The rotary trolley type water-type fire extinguisher comprises a trolley frame and an installation bracket, wherein the installation bracket is fixedly arranged on the upper surface of a separation plate, and is rotatablely provided with a rotation bracket, a rotation shaft isfixedly connected below the rotation bracket, the other end of the rotation shaft is fixedly connected to a driving dentate disc rotatablely arranged on the upper surface of the separation plate, thelower surface of the driving dentate disc is fixedly connected to a rotation motor, the rotation motor penetrates through the separation plate and is fixed on the lower layer of the trolley frame, the driving dentate disc is engaged with one end of a driven rotation column rotatablely arranged on the surface of the separation plate, and the other end of the driven rotation column penetrates through the separation plate and is engaged and connected to a roller frame below the driven rotation column. According to the present invention, the rotary trolley type water-type fire extinguisher has characteristics of simple structure and convenient use, can simultaneously carry multiple sets of fire-fighting and fire-extinguishing equipment, is provided with the roller structure capable of lifting, can be rapidly and conveniently switched between moving and placing, cannot delay the fire-extinguishing opportunity, and further has advantages of convenient operation, strong practicability and convenient promotion use.