To protect a body from a cutter to make a patient feel easy by producing a body protecting plate for plaster cast cutting using a body protecting plate made of a thin and hard banded plate with reception holes and a grip and a banded guide plate with guide pins and a guide groove.

This body protecting plate for plaster cast cutting is composed of a body protecting plate 1 made of a thin and hard banded plate A in which reception holes 3 are provided at one end and a grip 2 is provided at far end and a banded guide plate 4 with guide pins 6 corresponding to the reception holes 3 at one end and a guide groove 5 at the center. The body protecting plate 1 is inserted between a cast to be cut and an arm (leg), the guide plate 4 is fitted into the reception holes 3, a line is marked along the guide groove 5, the guide plate is removed, and the cast is cut along the line.