Medical experimental zoology laboratory mouse fixing device

The invention discloses an experimental mouse fixing device for medical experimental zoology, and effectively solves the problems that a fixing plate of a conventional experimental mouse fixing device for medical experimental zoology is unreasonable in structure, a mouse is not firmly fixed, the mouse moves on the mouse fixing plate or is separated from the mouse fixing plate, the four limbs and the head of the mouse cannot be fixed at the same time, and the fixing effect is poor. The experimental mouse fixing device solves the problems that an existing experimental mouse fixing device is poor in fixing effect, low in safety and not humanized, meanwhile, the angle of the fixing device cannot be adjusted, and an experimenter cannot conveniently use the fixing device in the prior art, and comprises a bottom plate, a supporting seat is fixedly connected to the upper end of the bottom plate, and a rotatable first rotating disc is arranged on the rear side of the supporting seat; a supporting ring is arranged at t