Problem to be solvedThe object of the present invention is to provide a vacuum blood collection tube, a blood collection unit and a device for discriminating test methods, wherein each test is adequately conducted in blood collection procedure including a plurality of test items, a distress in a blood collection subject is reduced to the minimum, and the efficiency in blood collection procedure can be improved.SolutionThe present invention is the vacuum blood collection tube which includes a tubular body with a bottom having inner spaces with a prescribed capacity and a plug body which hermetically seals an open end of the tubular body to maintain the inner spaces at a prescribed reduced pressure, wherein blood is collected into the inner spaces of the tubular body by differential pressure between the blood pressure and the pressure of the inner spaces via a hollow blood collection needle one end of which is punctured into a blood vessel and the other end of which is punctured into the plug body, the inner space is divided into a plurality of inner spaces by partitioning the inner space of the tubular body, each of the inner spaces has a prescribed capacity and maintains a prescribed reduced pressure depending on a purpose of each blood test, and the blood with an amount depending on the purposes of the various blood tests is collected in each of the inner spaces through the blood collection needle punctured into the blood vessel.
