Disposable peripheral blood collection bag

The utility model discloses a disposable peripheral blood sampling bag, which belongs to the field of blood sampling bags, and comprises a blood storage bag and a sampling bag, the blood storage bag is connected with the sampling bag through a connecting section, one side of the blood storage bag is fixedly connected with a blood transfusion tube and an anticoagulant injection tube, one side of the sampling bag is fixedly connected with a sampling tube, and the sampling tube is connected with the blood storage bag. The disposable peripheral blood sampling bag comprises a sampling tube and a blood storage bag, a plug cap is clamped at the tail end of the sampling tube, blocking clamps with the same structure are clamped on the connecting section and the blood storage bag, each blocking clamp comprises an arc-shaped section, an upper clamping section and a lower clamping section, and the sampling bag is arranged on one side of the blood storage bag, so that the disposable peripheral blood sampling bag has the f