To provide a floor heating kit capable of being installed at a low cost without requiring any troublesome works.

The floor heating kit is composed of a heat insulating material 2 to be installed on the floor surface such as flooring, an electric heater 3 to be mounted on the top surface of the heat insulating material 2, a metal sheet 4 to be mounted on the top surface of the heater 3, and a flooring material 5 to be mounted on the top surface of the metal sheet 4, which enables executing the works for the floor heating on any existing flooring, etc., without removing the floor material such as flooring, and no troublesome procedures are required upon installation or removal of the floor heating, while the cost required to conduct the installation or removal can be suppressed.