Decorative fishery is an important part of recreational fisheries, Hainan has the potential to develop decorative fishery. In this paper, on the basis of the deep-going survey on the current situation of decorative fishery development in Hainan, the main questions of decorative fish cultivation and market were discussed. At the same time, many suggestions were brought up, such as exploiting the biological resources of Hainan Island, strengthening scientific research efforts, introducing new varieties of ornamental species, strengthening industrial guidance and market management, etc., which will benefit the rational utilization of tropical biological resources and increase the whole competitive advantage of decorative fishery in Hainan Province.