The utility model relates to a clip body applied to a folder. The clip body comprises a bottom plate, a hook frame and a tensional spring, wherein the front end of the bottom plate extends upward and is rolled to form a bent part; a groove way is arranged around the bent part; rotating shafts at the both sides of the front end of the hook frame are respectively located at the both inner ends of the groove way; the tensional spring is respectively sleeved on the rotating shafts at the both sides of the front end of the hook frame; and one end of the tensional spring is fixed at the rotating shafts, while the other end of the tensional spring is fixed on the bottom plate. The clip body provided by the utility model is characterized in that the end parts of the rotating shafts are bent upward to form clamping parts; a clamping hole, which is matched with the clamping part and is used for unclamping, is arranged at the front side of each bent part; when the hook frame is turned over upward along with the rotation of the rotating shafts until the clamping parts of the rotating shafts are rotated to the clamping holes, the top ends of the clamping parts extend out from the clamping holes and the clamping parts are connected with the clamping holes in a clamping manner; and a sliding block which is for clamping and is capable of rotating along the surfaces of the bent parts is movably connected above the bent parts. The clip body provided by the utility model is simple in structure, convenient to clamp, unclamp and operate, safe and practical.