Animal fixation box

The invention discloses an animal fixation box. The animal fixation box comprises a rectangular frame which is formed by a front wall, two side walls (1) and a rear wall (2) in an enclosing mode and provided with an upper opening and a lower opening; a box bottom (3) is arranged at the lower opening of the rectangular frame, and a box cover (4) is arranged at the upper opening in a covering mode; the front wall is divided into an upper front wall (51) and a lower front wall (52), the upper edge of the lower front wall (52) and the lower edge of the upper front wall (51) are each provided with a semicircular notch, and the two semicircular notches can be matched with each other and locked through lock catches (8) to form a hole (6) used for fixing an animal to be fixed; the diameter of the hole (6) is larger than that of the neck of the animal to be fixed and smaller than that of the head of the animal to be fixed; one end of the box cover (4) is hinged to the top end of the rear wall (2), and the other end of