The invention discloses a novel folder comprising a folder body and a folder binding tool, wherein the folder binding tool comprises a bottom plate, a pressing plate, a binding rod and the like; the folder binding tool is arranged on the folder body through a clamping hole, and the bottom plate of the folder binding tool is connected with the folder body and the pressing plate through a pin roll; the folder body is arranged at the left side and the right side of the bottom plate; the folder body is provided with a semicircular clamping part (13); a slide block (7) is arranged on the bottom plate and is provided with a clamping groove at the lower end of the slide block (7); the pressing plate is provided with a clamping hook (6); the pin roll is sleeved with a shifting block (8) matched with the slide block (7), and the clamping hook (6) is clamped on the shifting block (8); the other side of the slide block (7) is provided with a spring hole for holding a spring, one end of the spring (14) is arranged in the spring hole, and the other end of the spring (14) is pressed and supported against the end surface of a hollow shaft (17) of the bottom plate; the slide block (7) is provided with a slide block slope (18); and a bending part (15) of the folder body is also provided with a bending part slope matched with the slide block slope so that the folder body (5) is conveniently dissembled.