The purpose of the present invention will provide a means, while prevent lemostenosis, therefore follow the epithelialization (covering again) of a Mucosa Defect part of ESD surgical operations that can be promoted inexpensively and with a straightforward procedure. It provides for the regenerated equipment of mucous membrane, it is characterized in that it is formed by one by connecting the collagen ditolyl gel sheet that multiple vertically long collagen ditolyl gel film pieces obtain, wherein the folded part that the one side for being orthogonal to the connecting line of connection is folded in half.