The invention discloses a cement foaming insulation board cutting system which comprises a material loading transport device, a first horizontal cutting device, an air sensing device, a second horizontal cutting device, a vertical cutting device and a packing device, wherein the material loading transport device, the first horizontal cutting device, the air sensing device, the second horizontal cutting device, the vertical cutting device and the packing device are connected in sequence. The cement foaming insulation board cutting system is simple in structure, convenient to use, manpower-saving, capable of cutting cement foaming insulation boards until being banded, and high in efficiency.