<p>Provided is a locking structure of a cover body (3) for locking the cover body (3) to a locking part body having an opening and being provided with a cover body engagement part (6) which so engages with the cover body (3) as to be capable of freely opening and closing the cover body (3). The locking structure is characterized in that a locking mechanism (8) for restricting the movement of the cover body (3) in the disengaging direction relative to the opening is removably provided on the locking part body side. Furthermore, provided is a container characterized in that the container includes the cover body and the locking part constituting the locking structure of the cover body.</p>
