Medical operation ruler

The utility model provides a medical operation ruler which is used in an operation for slicing skin. The utility model is characterized in that the upper and lower both sides of the front side of a ruler body 3 have scales 1, the middle position of the ruler body 3 is provided with a penetrative groove 2, both ends of the ruler body 3 are semi-circular, and the back side of the ruler body 3 is provided with dummy clubs 4, 5. The medical operation ruler overcomes many problems in the slicing skin methods of the existing medical operations at home and abroad, the utility model can safely slice skin in operations, hide intestinal canals, and safely sew abdominal membranes, the utility model can also exactly and directly have the bacteria-free measuring of human body tissue (length of cut, pathologic change size, etc.) with bacteria-free, and can completely avoid the human casualty accident which is caused by the improper force. The medical operation ruler keeps cut straight, regular and consistent depth by primary users.