The utility model provides a composite waterproof foam concrete roofing that slightly excels in that keeps warm, includes the roofing main part, and the roofing main part is the four -layer structure, and the roofing main part comprises basic unit 1, waterproof layer 2, heat preservation 3 and polymer waterproof layer 4 from the end to the face in proper order, and the basic unit adopts cement and foamer to lay, and the waterproof layer adopts polymer waterproof mortar to lay, and the heat preservation adopts the porous foaming concrete to lay, and the polymer waterproof layer adopts the polymer to glue to starch and lay. This earth house face not only can play better heat preservation, waterproof effect, just is under construction portably, has lower structure cost and good durability.