The invention discloses a using method of a shared express box. The method comprises the following steps that when a merchant delivers goods, the merchant scans the two-dimensional code on the sharedexpress box, logs in the system, inputs commodity information, and receives a dynamic code sent by the system; the merchant sends a dynamic code to a buyer; a two-dimensional code on the shared express box is readed, and logistics information is updated; the buyer receives the goods; the buyer scans the two-dimensional code on the shared express box and inputs the corresponding dynamic code; the dynamic code and the identity of the buyer are verified; the verification is passed; the shared express box is opened; the buyer takes out the goods; the buyer returns the shared express box to a designated collection point; and an operator of the sharing express box collects a lease fee of the sharing express box from the merchant. The invention also discloses a shared express box. According to the using method of a shared express box and the shared express box, express packages are recycled, the environment is protected, resources are saved, the generation of garbage is reduced, and meanwhile, the cost is saved for merchants.