Coal stove facilitating honeycomb coal replacing and using method of coal stove

The invention provides a coal stove facilitating honeycomb coal replacing. The coal stove comprises a coal stove body, a driving shaft, a first transmission shaft, a third transmission shaft, a limiting rod, a first grate and a bearing plate; a feeding hole is formed in the coal stove body; the first transmission shaft is fixedly connected with a first meshing fluted disc; the third transmission shaft is provided with an outer spline, and a second meshing fluted disc is provided with an inner spline; the limiting rod is in abut joint the side face of the second meshing fluted disc, and two limiting through holes matched with the limiting rod in size are formed in the side face of the second meshing fluted disc; and the first grate is fixedly connected to the third transmission shaft, the bearing plate is fixedly connected to the side, provided with the feeding hole, of the coal stove body, and unused honeycomb coal is movably arranged on the bearing plate and is aligned with the feeding hole. According to the