The invention aims to provide a document sharing intelligent management system under the autonomous controllable platform based on the B/S architecture, which overcomes the defects in the prior art, can complete intelligent management, sharing downloading, online browsing and other functions of various types of documents based on the B/S architecture, and has typical characteristics of intellectualization, platformization and localization. The system mainly comprises 11 parts: a document online browsing engine, a foreground display module, a document uploading module, a document processing module, a document downloading module, an information storage module, an intelligent recommendation module, an OCR identification module, an intelligent content management and control module, a search engine and a user authority management module. Column management, document processing, search engines, intelligent recommendation, security mechanisms, subscription, statistical analysis and other functions can be provided through foreground display and background management.