The invention discloses a biological test table which comprises a tabletop, table corners which are symmetrical in the left-right direction are fixedly connected to the lower surface of the tabletop,a sliding block cavity is formed in the front surface of the tabletop, a sliding block is slidably connected into the sliding block cavity, and a first spring is fixedly connected between the slidingblock and the right wall of the sliding block cavity. A first limiting cavity is communicated with the interior of the bottom wall of the sliding block cavity, a limiting block fixedly connected to the sliding block is slidably connected to the interior of the first limiting cavity, and a gear cavity located in the table top is formed in the upper portion of the sliding block cavity, so that the table top of the biological test table can be automatically cleaned and disinfected. According to the invention, a user is kept away from the disinfectant and the used table top, so that the skin of the hand cannot be injured, the table top after the biological experiment cannot be in contact, the operation is safer, meanwhile, the operation is very simple, the use is convenient, the labor intensity is low, the disinfection and scrubbing efficiency is high, and the popularization is worth.