The invention discloses a multifunctional door breakage and water dispensing tool. The tool comprises a breakage head, a water inlet pipe, a stress base and an assistor, wherein the external of the breakage head is conical, the internal is a hollow structure, and the side surface is provided with a water outlet; the water outlet is formed towards the tip end of the breakage head; the breakage head is arranged at one end of the water inlet pipe; the water inlet pipe is communicated with the internal of the breakage head for transmitting water to the breakage head, and the other end is used for connecting with a high-pressure water pipe; the stress base is fixed on the water inlet pipe; and the assistor is cylindrical, is sleeved on the water inlet pipe, and is used for colliding the stress base to apply thrust to the breakage head. The tool not only can quickly finish the door breakage work, but also can dispense water for fire extinguishing and cooling, prevents sparks, has the advantages of high safety and short door breakage time, cleans up obstacles for subsequent rescue, and improves the rescue efficiency.