It forced traditional periodical presses to find their outlet from the market of the Internet and execute marketing with digital periodical.

Digital periodicals have made great progress in the short time of about 30 years since first emerging in middle 1970s; Especially from middle 1990s, with the internet spreading all over the world quickly and becoming an important medium of public communication and personal communication, digital periodical sped its development as well.

Construction ways of digital periodicals;

Characteristics of searching function and information transmission are compared between Wanfang digital periodical system and Tsinghua Chinese academic periodical full-text database System.

Internet that influenced our life is changing future of journal,Now a new media——digital periodical has arisen.

In the light of the developing trend of the labraries in the universities, the article introduces the wide application and the significance of digital periodicals.

In this paper the author explored the issue of the right of authorship that goes with the advent of digital periodicals and Network time, summarized the main characteristics and roles of the digital periodicals, discussed the relationship between digitalization of periodicals and the law of the right of authorship.

It also expatiate the purpose,necessity and significance of tagging DOI in journals of Chinese Medical Association,in view of the digital journal\'s development.

Through analyzing the functions of D-journal system,the paper introduces how to design and realize D-journal system based on Java.

This text explains the long-term preservation of digital scholar journal in digital library,Then analyzes three different approaches of this issues.