The utility model provides a paint-free wood suite door of an aluminum wood strip structure or a plastic wood strip structure. According to the structure of the paint-free wood suite door, an outer frame of the door is fixed to a wall and connected with a door sash, door cores are embedded in the middle of the upper portion of the door sash and the middle of the lower portion of the door sash respectively, aluminum wood strips or plastic wood strips are attached to the joints of the door sash and the door cores; an aluminum wood strip or a plastic wood strip is attached between the outer frame of the door and the wall, wherein one end of the aluminum wood strip or the plastic wood strip is embedded in the outer frame of the door, and the other end of the aluminum wood strip or the plastic wood strip is attached to the wall. The aluminum wood strips are made of aluminum through hot extrusion forming, the plastic wood strips are made of wood powder and plastic through hot extrusion forming, and natural veneers or wood grain imitation PVC or paint-free wood grain film are attached to the surfaces of the wood strips. The paint-free wood suite door has the advantages that the problems that according to a solid wood door, the surfaces of wood strips are rough, machining difficulty is high, and a large quantity of wood material is consumed are solved; a large quantity of wood material is saved, that is, high-quality wood material is saved by 30% to 40%; two thirds of labor is saved, and cost for manufacturing the door is greatly reduced.