Blood plasma separating clamp

The utility model discloses a blood plasma separating clamp which comprises a fixing plate, an arc-shaped rod seat is arranged in the middle of the outer wall of the fixing plate, one arc-shaped side wall of the rod seat is vertically and fixedly connected with a fixing screw rod through threads, and the rod seat is used for being fixed to the outer wall of a rod body connected with a blood bag in a hanging mode. Sliding rods are symmetrically arranged on the two sides of the inner wall of the fixing plate, a stepping plate is arranged on the outer wall of the other end of each sliding rod, and a first clamping plate is arranged on the inner wall of the fixing plate. The screw rod is slowly pushed to drive the parallel plate bodies to clamp the plasma bag in a stepping mode, so that a better plasma separation effect is achieved, the layering line of the plasma bag is clamped and fixed through the clamping plates of wedge-shaped structures on the two sides, meanwhile, the end of each clamping plate is of a fil