Disclosed in the embodiments of the present disclosure are a document sharing processing method and apparatus, a device, a medium, and a system. The method comprises: displaying shared document hyperlink information and a permission control entry of a shared document in a mail interface; and obtaining permission data that is determined by a first user for the shared document according to the permission control entry, wherein the permission data is used for determining the operation permission data of a second user for the shared document. The embodiments of the present disclosure can display the shared document hyperlink information and the permission control entry of the shared document in the mail interface, and by means of the permission control entry, the first user can determine the permission data for the shared document, thereby solving the problem in the prior art that the controllable function of the shared document in a mail is single, enriching the controllable function of the shared document in the mail, and meeting the document sharing requirement of the user.