To provide a heat insulation Shoji door having a high heat insulating effect and a good appearance.

A heat insulation Shoji door A comprises: a sash frame partitioned into upper and lower sections by a crosspiece 10 in the middle; first muntins 2 fixed respectively to the upper and lower sections of one surface side 14 of the sash frame; second muntins 3 each having both sides, on which sheets of Shoji paper 53, 54 are adhered, and fitted respectively in the upper and lower sections of the middle of the sash frame; third muntins 4 fixed respectively to the upper and lower sections of the other surface side 17 of the sash frame; and sheets of Shoji paper 51, 52 adhered on the lattice surfaces of the first muntins 2 and the third muntins 4. The heat insulation Shoji door A has a three-layered air space 61 to 63 so that heat is isolated and the heat insulation Shoji door A is excellent in a heat insulation effect.