It is intended to provide an apparatus for separating and storing blood components which facilitates the preparation of serum. An apparatus (1) for separating and storing blood components which comprises a blood pooling part (2) for pooling a fluid at least containing liquid components containing a blood-origin coagulation factors and platelets, a component storing part (3) for storing at least a part of the components of the fluid pooled in the blood pooling part (2), and a connector part (4) aseptically connecting the blood pooling part (2) to the component storing part (3), wherein the blood pooling part (2) comprises a blood pooling container (21) in the form of a flexible tube, a fluid inlet channel (27) for introducing the fluid into the blood pooling container (21) and a component outlet channel (28) for leading out at least a part of the components of the fluid; the component storing part (3) has a component inlet channel (37) for introducing at least a part of the components of the fluid having been led out from the blood pooling container (21); and the connector part (4) connects the component outlet channel (28) to the component inlet channel (37).