Rapid development of online copyright Under the network environment, due to the development of digital technology, almost all creative productions can be digitalization. E-copyright is Timestamp Certificate. It is suitable for evidence use, which is timeliness, authoritative, integrity. Every industries especially those digital documents and creations should be being protected by E-copyright For Example Mail, Report, Financial data, records, videos and sound tracks, literary , art works, plans, sales model, stock display, salary report, design drafts, etc.