Test tube cleaning device

The utility model discloses a test tube cleaning device, which comprises a box body, a cover body, a test tube fixing seat, a brush fixing seat and a brush, the box body is used for placing the test tube fixing seat, the bottom of the box body is provided with a drainage port, and the drainage port is communicated with a drainage pipeline; the test tube fixing seat is used for fixing a test tube and overturning the test tube by 180 degrees through the overturning mechanism; the cover body is buckled to the top of the box body and used for installing the brush fixing base, a water inlet and a liquid inlet are formed in the cover body, the water inlet is used for injecting clean water into an inner cavity of the brush, and the liquid inlet is used for injecting cleaning liquid into the inner cavity of the brush; the brush fixing seat is used for mounting a plurality of brushes in one-to-one correspondence to the test tubes in position, and the brush fixing seat is driven by the lifting mechanism to move up and