Vacuum blood sedimentation tube

The utility model discloses a vacuum erythrocyte sedimentation tube, and belongs to the field of medical machinery. The vacuum erythrocyte sedimentation blood collection tube comprises a vacuum blood collection tube body, a transverse diaphragm is arranged in the vacuum blood collection tube body and arranged at the blood collection amount scale position required by an erythrocyte sedimentation sample, and a through hole is formed between the periphery of the transverse diaphragm and the inner wall of the blood collection tube body. And at least two through holes are formed between the transverse diaphragm and the inner wall of the blood collection tube. The transverse diaphragm is of a lip-shaped hollow ring structure. According to the utility model, the transverse diaphragm is additionally arranged inside the blood collection tube, and the collected blood is blocked by the transverse diaphragm, so that the blood overflows from the through hole when the blood collection amount is about to meet the requiremen