Portable sheep body size measuring tool

The utility model relates to the technical field of measuring tools, in particular to a portable sheep body ruler measuring tool, and aims to solve the problems that in the prior art, the measuring error is large through a flexible ruler and a steel flexible ruler, the flexible ruler is always bent during measurement, the initial end and the tail end of measurement are difficult to determine accurately, and the measuring precision is affected by both the force and the straightness. In order to overcome the defects that a steel flexible rule is easy to rust and break, fingers are scratched, potential safety hazards exist and other uncertain factors exist, the following scheme is provided: the steel flexible rule comprises a handle, a laser ranging module is arranged on the handle, a shell is fixedly connected to the top of the handle, a fixed seat is fixedly connected in the shell, and a groove body is formed in the fixed seat; a groove body is formed in the shell, a measuring assembly is rotationally installe