The invention discloses a method for real-name-system receiving and sending and supervision/check/management of mails/express mails. The method is realized through a management system. The management system comprises an express delivery collection tail application end, a server end, a supervision check management end and a sender client, wherein the express delivery collection tail application end, the supervision check management end and the sender client include but are not confined to a computer-end program, a mobile-end application program, a Wechat application and a webpage application, and the server end is a service program used for data receiving, processing and sending. The method comprises an express delivery collection tail-end authentication process, a sender authentication, a real-name-system receiving and sending process and a supervision check management department work personnel authentication and supervision check management process. According to the invention, information acquisition, verification, check, interaction, storage, display, protection and superposition used in real-name-system receiving and sending of the mail/express mails are realized.