Rat fixing device

The utility model provides a rat fixing device comprising a body fixer and a head fixer, wherein the body fixer is a hollow column, while the head fixer is a hollow cone; the head fixer is connected with the body fixer; four through holes are formed on the body fixer; and the positions of the body fixer are matched with the four limbs of a rat. The rat fixing device provided by the utility model is simple in structure, low in cost, convenient for operation, and capable of well fixing each part of the rat; the stress on the rat is balanced and appropriate, and safe. Thus, the rat fixing device is very convenient for medical experimental study.