The invention relates to a collecting barrel, in particular to a solid-liquid separation and collection barrel for the hematology department. The technical problem of the invention is to provide a solid-liquid separation and collection barrel for the hematology department, which is convenient for separation and collection. According to the technical scheme, the solid-liquid separation and collection barrel for the hematology department comprises a bottom plate, a supporting plate, a shell, a glass door, air cylinders, a first fixing block, a second fixing block, a pressing plate and a switch, wherein the supporting plate is arranged at the top of the bottom plate, the shell is arranged at the top of the bottom plate, one side of the shell is rotationally connected with the glass door, the two sides of the shell are connected with the air cylinders, the first fixing block is arranged on the telescopic rod of the air cylinder on one side, the second fixing block is arranged on the telescopic rod of the air cylinder on the other side, the pressing plate is connected between the tops of the telescopic rods of the air cylinders, and the switch is arranged in the middle of the top of the pressing plate. Through cooperation of a filtering mechanism, a limiting mechanism and a resetting mechanism, a blood bag can be automatically extruded, solid-liquid separation is conducted on the blood bag, and people can conveniently take out solids.