Abstract: Disclosed herein is a storage container having a two-compartment structure, which includes a main container used at home and an auxiliary container separated from the main container and carried during a user's journey or business trip. The storage container, which is sealed by lids, includes: a main container 4 and an auxiliary container 5 having separate lids 2 and 3, respectively; coupling means 10 disposed at the bottoms of the main container 4 and the auxiliary container 5, the coupling means 10 of the auxiliary container 5 corresponding to the coupling means 10 of the main container 4; and a face portion 6 formed on one of the lids 2 and 3 respectively joined to the main container 4 and the auxiliary container 5 so that the storage container can stand on the ground.