Abstract: A guide rail and roller shutter structure includes a first supporting member, a second supporting member, and a roller shutter slidably mounted between the first supporting member and the second supporting member. The first supporting member includes a first sliding path, and the second supporting member includes a second sliding path. The roller shutter includes a sliding body, a plurality of first extending portions, and a plurality of second extending portions. Each extending portion includes a first contact portion and a second contact portion protruding from two opposing surfaces of the extending portion. The first contact portions and second contact portions slidably contact the first and second sliding paths allowing the roller shutter to slide along the first and second sliding paths. A roller shutter type box including the guide rail and roller shutter structure is also provided.