A screw band , wherein the screw band is planar in structure and comprises: a body 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 ; a central line defined in the body ; - a top surface; - a bottom surface opposite to the top surface of the body ; and - multiple positioning members disposed along the central line of the body at spaced intervals, and each one of the positioning members having a through hole formed through the body ; and a circular positioning portion formed on the body , located around the through hole , and having multiple slashes formed in the body , located around the through hole , and communicating with the through hole ; and multiple supporting plates being bendable, formed on the body , 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 , and located around the positioning members . - 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 ; a central line defined in the body ; - a top surface; - a bottom surface opposite to the top surface of the body ; and - multiple positioning members disposed along the central line of the body at spaced intervals, and each one of the positioning members having a through hole formed through the body ; and a circular positioning portion formed on the body , located around the through hole , and having multiple slashes formed in the body , located around the through hole , and communicating with the through hole ; and multiple supporting plates being bendable, formed on the body , 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 ; and a circular positioning portion formed on the body , located around the through hole , and having multiple slashes formed in the body , located around the through hole , and communicating with the through hole ; and multiple supporting plates being bendable, formed on the body , 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 , and located around the positioning members . <EOS>