Abstract: Because of its unique advantages of entertainment and interaction, online literature works have become the source of
phenomenal IP works with a huge fan base. At present, it has formed a full copyright multiple development system covering physical
publishing, digital publishing, and multi-media full-copyright development systems such as movies, audio, animation and game
adaptation. From the initial stage of creation to the maturity of the works, the works have strong fan stickiness and development
potential, and form a lasting copyright development cycle of the works, showing a strong ability of copyright re-cultivation. Based on the
current market environment and publishing requirements, this paper actively explores the forming factors of the re-tillage ability from
the expression forms of deep copyright development of online literature works, explores the operating mechanism of the overall linkage
of copyright of works, and promotes the safeguard measures of the re-tillage ability of full copyright development of works, thus
providing theoretical support and strategy supplement for exploring and constructing healthy and sustainable copyright development
strategies and developing ecological environment.

Key words: online literature｜full copyright development｜deep development｜cross-media｜ re-cultivation