Abstract: Farming in deep-sea areas far from coast plays an important role in the improvement of marine fisheries economy, offshore ecological environment, and quality of people's lives.In order to meet the demand of aquatic products in our country and the development situation about mariculture in deep water at home and abroad, this paper proposes a concept called "deep-water mariculture far from the coast".Then the research analyzes whether the suitable conditions can be satisfied for develop deep-water mariculture far from the coast in the four parts of China Sea.After that, suitable areas for mariculture in the deep water far from the coast in China Sea are pointed out.At last, this paper proposes some suggestions for the capacity of mariculture in the deep water and sea far from the coast of our country.