Animal experiment protection box convenient to fix

The utility model provides an animal experiment protection box convenient to fix, and relates to the technical field of animal experiment protection boxes convenient to fix, the animal experiment protection box convenient to fix comprises a base, the surface of the base is fixedly connected with a protection box main body, the surface of the base is provided with a round cover, and the surface of the round cover is provided with air holes. An experimental animal is placed on the surface of an arc frame, then a rectangular strip is inserted into a rectangular groove, and then a semicircular block can be well clamped on the neck of the animal, so that the animal can be well fixed in the protection box main body, and the rectangular strip can be adjusted to be inserted into the rectangular groove according to the size of the animal body. According to the animal experiment protection box, the animal protection box is arranged on the experiment table, so that animals with different body types can be well fixed, an