To provide inexpensive rental management equipment with a simple constitution, which can be easily maintained.

This rental management equipment 1 comprises: a rental article key 19 which enables the release of each of locks 13 attached to a plurality of rental articles 2, respectively; a renter's key 20 which is possessed by each of a plurality of renters as rental objects of the rental articles 2; a key inserting device 23 in which a pair of rental-article hole 21 and the renter's key hole 22, enabling the insertion and extraction of each of the keys 19 and 20, is formed in each of the rental articles 2; and a key extraction regulating device 42 which enables only either of the keys 19 and 20 inserted into the keyholes 21 and 22 to be selectively extracted from the keyholes 21 and 22.