Combined centrifugal tube convenient to use

The utility model discloses a combined centrifuge tube convenient to use, which comprises a centrifuge tube body, a connecting ring is fixedly mounted on the surface of the middle tube body of the centrifuge tube body, an embedding groove is formed in the circumferential side wall of the connecting ring, embedding holes are formed in the bottom walls of groove cavities on the two sides of the embedding groove, and an anti-slip cylinder is sleeved outside the tube body of the centrifuge tube body. Embedded blocks are fixedly installed on the inner walls of the two sides of the anti-skid cylinder, and anti-skid lines are arranged on the outer walls of the two sides of the anti-skid cylinder. According to the centrifugal tube, the connecting ring is arranged on the surface of the centrifugal tube body, the embedding groove and the embedding hole are formed in the connecting ring, the anti-skid barrel is matched with the centrifugal tube body, and the anti-skid grains and the embedding block are arranged on the s