Matter device is spared to vacuum test tube, heating part include heater and heater box, and the heater is fixed at heater box top, even matter part is vice including motor, cylinder, shaft coupling, axle, big bearing, little bearing and thrust, and big bearing and staff hold to be installed in two dead eyes of integral type base afterbody, passes thrust pair, cylinder and little bearing with the axle again, lock bearing cap and with the fix with screw, and the motor is through shaft coupling and hub connection, the annular is provided with a plurality of blood specimen box and shelves the mouth on the cylinder, and a mouthful interior movable mounting is shelved to the blood specimen box has a plurality of blood specimen box, blood specimen box top fixedly connected with blood specimen lid, and it has sponge layer and separate layer all to adhere to in blood specimen lid and the blood specimen box, and a plurality of vacuum test tubes are fixed in the separate layer in the blood specimen box. The utility model discloses a product makes its viscosity reduce after earlier letting the blood specimen reach 36 degrees, and simultaneously, 36 degrees blood specimen can also make the blood specimen recover the best state, provides qualified blood specimen for medical experiment.