Rapid and firm mouse or rabbit fixing device

The invention discloses a rapid and firm mouse or rabbit fixing device and belongs to medical experiment tools. The mouse or rabbit fixing device comprises lock piers and corresponding inserting buckles, wherein the lock piers comprise insertion holes and lock holes which are communicated and vertical to each other; the inserting buckles have elasticity and are U-shaped, and the two ends of the inserting buckles are provided with outward inserting thorns; and the two ends of the inserting buckles are inserted into insertion holes by a plurality of pairs of lock piers and inserting buckles, and the inserting thorns fasten the lock holes to lock the head, arms and legs of a mouse. According to the rapid and firm mouse or rabbit fixing device, the inserting buckles are inserted into the lock piers to lock the head, arms and legs of the mouse, the arms and legs as well as the head are respectively locked by using five groups of devices, the lock piers adopt heavy stainless steel materials, and thus the movement o