The invention discloses a one-piece interlayer pocket cover template, and belongs to the technical field of clothes. The template comprises a cover plate (1) and a bottom plate (2), the cover plate (1) is hinged to the back side of the bottom plate (2), and thread grooves (3) are respectively and correspondingly formed in the left and right sides of the cover plate (1) and the bottom plate (2); atleast two locating blocks for locating a fabric are arranged on the front side of the bottom plate (2), openings (9) cooperating with the locating blocks (8) are correspondingly formed in the cover plate (1), and a sample plate (5) and a clamping plate (4) are respectively hinged to the front and back sides of the bottom plate (2), the bottom plate (2), the sample plate (5), the clamping plate (4) and the cover plate (1) can be in fastening connection successively from bottom to top, and the clamping plate (4) and the sample plate (5) are arranged between the two thread grooves (3); notches used for locating buttonholes are formed in the two sides of the sample plate (5), and a locating strip (7)in spacing arrangement between a locating interlayer and a pocket cover surface is arranged onthe back side of the sample plate.