Pathological specimen bottle capable of preventing specimen from floating

The utility model discloses a pathological specimen bottle capable of preventing a specimen from floating, which is characterized in that a convex cylinder is arranged at the middle position of the bottom of a bottle cap, a connecting internal thread capable of installing an adjusting rod is arranged on the convex cylinder, and the connecting internal thread is arranged on the convex cylinder to facilitate the connection of the adjusting rod and the convex cylinder. An upper mounting thread is arranged at the upper end of an adjusting rod, an inner adjusting thread is arranged at the lower end of the adjusting rod, and in order to achieve the purpose of adjusting the height of a blocking net located below a screw rod, the device is provided with the blocking net below the screw rod, and when the device is used, the screw rod is mounted in the inner adjusting thread of the adjusting rod; the length of the screw rod can be adjusted according to the requirements of operators, the purpose of adjusting the positio