The paper describes the online environment including online instruction, online research, instructional repository, and physical education subject database with document and systems analysis methods.

At last,it provided some suggestions for our country s professional database,such as strengthen research,cooperation,improving the management system,so as to accelerate the development of business database.

This paper probes into the necessity of creating the specialized characteristic database in university library, expounds the principles of creating the specialized characteristic database, and introduces the management, maintenance and backup copy of the specialized characteristic database.

This paper probes into some problems of pharmaceutical professional database, <the Chinese and Foreign Drug Quality Standard Database>, such as the construction significance, the content and structure of database, the metadata analysis of database, and the selection of database platform, etc.