Medical centrifuge convenient for fixing test tube

The medical centrifugal machine comprises a machine body and a machine cover, noise reduction cotton is arranged in a shell of the machine body, a centrifugal cavity is formed in the machine body, a motor is arranged at the bottom of the centrifugal cavity, a rotary drum is arranged above the motor, a test tube groove is formed in the rotary drum, and the test tube is arranged in the test tube groove. A sealing cover is arranged at the top of the rotary drum; the machine cover is rotationally connected to the machine body through a hinge, and an operation panel is arranged on the machine body. According to the medical centrifugal machine convenient for fixing the test tube, the sealing cover and the rubber pad are arranged, the sealing cover is tightened, so that the test tube can be fixed in the test tube groove, and the rubber pad can prevent the test tube from shaking; the noise reduction cotton is arranged in the shell, so that noise generated during operation of the centrifugal machine can be reduced; th