<p>A medical tray which can be discarded in a compact manner. A medical tray (10) is provided with a bottom section (11), a side wall (12) which is provided along the outer periphery of the bottom section, and a pair of side-wall-deformation guide sections (20) which is provided at mutually facing positions on the side wall and which guides the side wall so that the side wall deforms in a protruding shape toward the bottom section.</p>
