The invention provides an adhesive tape line drawing device used for test loading. The device is characterized in that the device comprises a handheld plate (1), a telescopic positioning block (2), a flexible hinge structure (3), a limit flat plate (4) and an adhesive tape sample plate (5); the handheld plate (1) is located above the limit flat plate (4); the limit flat plate (4) is located above the adhesive tape sample plate (5); the edge of the handheld plate (1) is provided with a through hole (1-1); a square recess (1-2) is arranged in the middle of the handheld plate (1); a spring upper positioning blind hole (1-3) is arranged in the bottom of the square recess (1-2); the telescopic positioning block (2) comprises a lower positioning block body (2-1) and an upper spring (2-2); long and short axis reference lines are engraved on the lower end face of the positioning block body (2-1); the upper end face of the positioning block body is provided with an edge (2-3); and a spring lower positioning blind hole (2-4) is arranged in the surface of the upper end face of the positioning block body.