To completely prevent damage due to a loss, a theft and the like by installing a locker with a lock below a bed for putting storage of valuables, money and the like under own management.

A coin-operated locker with a lock is installed in a predetermined position below a bed, and a coin slot is arranged in the coin-operated locker. When a predetermined amount of coin is thrown into the coin slot, a locker lid is opened, and then, the locker with a lock is locked after valuables, money and the like are put inside it. In this way, damage due to a loss, a theft or the like can be prevented without depositing valuables, money and the like in a nurse station or with another person or carrying them by oneself.