Water spray formula brick cutting machine belongs to building construction tool, and mainly used cuts the brick, and it includes the base, installs the gyro wheel below the base, and fixed mounting has motor, water tank, roll table and cutting support above the characterized by base, one row of roll table setting is in cutting blade's below, and motor shaft installs the action wheel, install cutting rotary shaft on the cutting support, cutting rotary shaft one end is installed from the driving wheel, and cutting blade is installed to the cutting rotary shaft other end, be connected with the belt between action wheel and the follow driving wheel, the water tank is equipped with pressure water pump, and pressure water pump leads to pipe connection nozzle, the base is connected as an organicwholely with hand push frame. The utility model discloses it is convenient to remove, and safe and reliable can realize simple swift clip work to reduce the raise dust, provide good construction environment for the workman.