To provide a panel with an opening/closing cover, which can prevent the fall of the opening/closing cover from an opening and prevent the opening/closing cover from hindering the operation, during the operation of performing the checking of a section below the panel and the like, and which enables the opening to be opened even if the fixed state of the panel is not released.

Characteristically, this panel 2 with the opening/closing cover 6 for opening/closing the opening 16 is provided with link arms 8, 10, 12 and 14, the one-side ends 8b, 10b, 12b and 14b of which are connected to the opening/closing cover 6, and the other-side ends 8a, 10a, 12a and 14a of which are connected to the panel 2.