The invention discloses an explosion-proof diesel engine heading machine utilizing an explosion-proof diesel engine as a power source. The heading machine is characterized in that the explosion-proof diesel engine is utilized as the power source, power output by the explosion-proof diesel engine is utilized for directly driving a plunger pump in an oil tank to do work, the plunger pump in the oil tank is utilized for outputting liquid to do work so that a walking part motor can be driven to do work to drive a lifting oil cylinder to do work, lifting of a shoveling plate and a heating machine head and rotating of a heading machine arm can be achieved, and the liquid output by the plunger pump in the oil tank is utilized for driving the motor to achieve rotating of a cutting head of the heading machine.