To provide a corner pad having a superior shock absorbing performance and facilitating its wasting work by folding and forming a cardboard sheet.

There is provided a corner pad which is formed by folding a cardboard sheet supporting corners where three surfaces of a packaged item stored in a packaging case are crossed to each other, wherein there is provided a first raised segment 18 extended out through a bending line 13 from one side of a first bottom surface supporting segment 12 of substantial rectangular shape supporting the bottom surface of the packaged item, there is provided an L-shaped side connecting supporter segment 19 enclosing the raised ridge of the packaged item extended through a bending line 20 from a side opposing against the first bottom surface supporting segment of the first raised segment, there are provided a pair of side surface abutting segments 22, 23 abutting against the adjoining two side surfaces of the packaged item extended out through each of the folding lines 24, 25 from L-shaped inner two sides of the side connecting supporting segment, and there are provided protuberances 26, 27 extended out of the sides opposing against the L-shaped inner two sides of the side connecting supporting segment at the pair of side surface abutting segments and then fitting holes 15, 16 to which protuberances are fitted are formed at the first bottom surface supporting segment.