Positioning rule for rapid sampling of livestock and poultry tissue

The utility model relates to a positioning rule for rapid sampling of livestock and poultry tissue. The positioning rule comprises a steel ruler a groove at middle and more than two verniers, the verniers are embedded in the groove and can slide in the groove, and the verniers are provided with screws for adjusting tightness. The positioning rule for rapid sampling is characterized in that the structure is simple, costs are low, the rule is detachable and portable, etc., when the positioning rule is used for positioning an animal tissue sample or other samples, the sampling positioning accuracy is raised, in addition, operation is simple and easy to control, the labor intensity is reduced, and the sampling speed is raised.