With　the　recent　development　in　network　technology　over　a　few　years,　digital　works　can　be　easily　published　online.　One　of　the　main　issues　in　the　field　of　digital　technology　is　the　infringement　of　digital　works,　which　can　seriously　damage　the　data　owners＇　rights　and　affects　the　enthusiasm　of　the　owners　to　create　original　work.　Thus,　more　attention　is　required　for　the　protection　of　digital　copyright　as　it　has　a　great　impact　on　the　development　of　society.　Many　digital　copyright　protection　techniques　were　developed　in　the　past,　but　still,　there　are　many　loopholes　in　the　protection　systems　to　be　covered.　The　protection　means　are　still　relatively　weak,　timeliness　is　poor,　infringement　is　frequent,　a　right　determination　is　cumbersome,　and　the　results　are　not　ideal.　Aiming　at　the　mentioned　problems,　this　paper　proposes　a　protection　technique,　which　can　realize　the　automatic　management　of　the　complete　digital　rights　life　cycle　on　the　blockchain　using　fabric＇s　smart　contract　technology.　The　proposed　system　is　based　on　blockchain　technology,　which　leverages　the　distributed,　tamper-proof　and　traceable　characteristics　of　blockchain.　The　system　uses　smart　contracts　to　manage　the　full　life　cycle　of　digital　copyright.　The　test　results　show　that　the　proposed　system　provides　effective　protection　of　the　digital　copyright　system　and　can　efficiently　confirm　the　rights　of　digital　copyright.