Scientific research document management system convenient to search and high in safety

The invention provides a scientific research document management system convenient for search and high in security, the system comprises a registration module, a database, a search module and a security module, the registration module is used for recording and storing personal information of all users, including names, digital IDs and permission levels, the database is used for recording and storing all scientific research document information, and the security module is used for storing personal information of all users. The search module is used for storing search information of the scientific research documents and searching by utilizing the search information, the search information comprises author digital IDs, confidentiality levels, content categories, uploading time and the like, and the security module is used for ensuring that a user with a certain authority level can only search the scientific research documents with the corresponding confidentiality levels. According to thesystem, secret files are