Biological test vessel fixing and supporting device

The utility model relates to the technical field of biology, and discloses a biological test vessel fixing and supporting device which comprises a base, a supporting column is fixedly connected to thetop of the base, a movable ring is movably connected to the outer wall of the supporting column, a sliding block is fixedly connected to the outer wall of the movable ring, and a fixing ring is movably connected to the outer wall of the sliding block. A sliding groove is formed in the outer wall of the fixing ring, and an anti-abrasion layer is fixedly connected to the inner wall of the fixing ring. The fixing and supporting device for the biological test vessel achieves the purpose of being convenient to adjust and use, solves the problem that a common fixing and supporting device for the biological test vessel is single in structure and inconvenient to adjust and use, is flexible in structure and convenient to adjust the using height and the using angle of the device, and is convenientfor a user to adjust accor