Abstract: A shelving device is provided, including: a carrier, including two sides which are opposite to each other and two first assembling mechanisms disposed on the two sides; at least one support mechanism, each of the at least one support mechanism being detachably assembled with one of the two first assembling mechanisms, including a support leg extending laterally to a periphery of the carrier and being configured to be abutted on an installation environment; and a blocking member, adjustably disposed on at least one of the two sides, configured to be positionally abutted on the installation environment.