Provided is a method of sharing a storage space. The method includes posting a storage space to a sharing platform by a space provider, connecting to the sharing platform where the space user finds the storage space by a space user, transmitting a lease request to the space provider, determining the lease request by the space provider, and making a payment by the space user. In addition, in order to post an advertisement for the storage space, the space provider may capture an image of the storage space, connects to the sharing platform where the space provider posts the storage space, input storage space information, and upload the image of the storage space.