A screw band (1A, 1B, 1C), wherein the screw band (1A, 1B, 1C) is planar in structure and comprises: a body (10A, 10B, 10C) formed as an elongated strip and having - two paper layers disposed at a spaced interval, each one of the two paper layers having a paper base having an outer surface and an inner surface; and a waterproof heat-insulation film mounted on and covering the outer surface of the paper base; - an adhesive layer disposed between and connected with the two paper layers, wherein the adhesive layer is connected to the inner surfaces of the paper bases of the two paper layers, and the waterproof heat-insulation films of the two paper layers are respectively located at the two outer surfaces of the body (10A, 10B, 10C); a central line defined in the body (10A, 10B, 10C); - a top surface; - a bottom surface opposite to the top surface of the body (10A, 10B, 10C); and - multiple positioning members (15A, 15B, 15C) disposed along the central line of the body (10A, 10B, 10C) at spaced intervals, and each one of the positioning members (15A, 15B, 15C) having a through hole formed through the body (10A, 10B, 10C); and a circular positioning portion formed on the body (10A, 10B, 10C), located around the through hole, and having multiple slashes formed in the body (10A, 10B, 10C), located around the through hole, and communicating with the through hole; and multiple supporting plates being bendable, formed on the body (10A, 10B, 10C), and located around the through hole, wherein each one of the supporting plates is located between two adjacent said slashes; characterized that the body further comprises - multiple circular impressions selectively disposed on the top surface and/or the bottom surface of the body (10A, 10B, 10C), and located around the positioning members (15A, 15B, 15C). - two paper layers disposed at a spaced interval, each one of the two paper layers having a paper base having an outer surface and an inner surface; and a waterproof heat-insulation film mounted on and covering the outer surface of the paper base; a paper base having an outer surface and an inner surface; and a waterproof heat-insulation film mounted on and covering the outer surface of the paper base; - an adhesive layer disposed between and connected with the two paper layers, wherein the adhesive layer is connected to the inner surfaces of the paper bases of the two paper layers, and the waterproof heat-insulation films of the two paper layers are respectively located at the two outer surfaces of the body (10A, 10B, 10C); a central line defined in the body (10A, 10B, 10C); - a top surface; - a bottom surface opposite to the top surface of the body (10A, 10B, 10C); and - multiple positioning members (15A, 15B, 15C) disposed along the central line of the body (10A, 10B, 10C) at spaced intervals, and each one of the positioning members (15A, 15B, 15C) having a through hole formed through the body (10A, 10B, 10C); and a circular positioning portion formed on the body (10A, 10B, 10C), located around the through hole, and having multiple slashes formed in the body (10A, 10B, 10C), located around the through hole, and communicating with the through hole; and multiple supporting plates being bendable, formed on the body (10A, 10B, 10C), and located around the through hole, wherein each one of the supporting plates is located between two adjacent said slashes; characterized that the body further comprises a through hole formed through the body (10A, 10B, 10C); and a circular positioning portion formed on the body (10A, 10B, 10C), located around the through hole, and having multiple slashes formed in the body (10A, 10B, 10C), located around the through hole, and communicating with the through hole; and multiple supporting plates being bendable, formed on the body (10A, 10B, 10C), and located around the through hole, wherein each one of the supporting plates is located between two adjacent said slashes; characterized that the body further comprises - multiple circular impressions selectively disposed on the top surface and/or the bottom surface of the body (10A, 10B, 10C), and located around the positioning members (15A, 15B, 15C).