目的 进一步开发鱼鳞胶原蛋白，扩大鱼鳞胶原蛋白的应用范围。方法 简述鱼鳞及鱼鳞胶原蛋白的结构特性，结合鱼鳞胶原蛋白的科研和应用现状，重点对鱼鳞胶原蛋白的提取方法进行分析对比，并概括其在医药、食品、化工等领域的应用。结论 鱼鳞胶原蛋白具有优异的性能，其研究在国内外食品、医用、化工等领域均属热点，未来鱼鳞胶原蛋白的研究领域和应用范围会持续扩大，这对国民经济的发展和绿色环境的维持都具有重要的现实意义。

The work aims to further develop fish scale collagen and expand the application scopes of fish scale collagen. The structural characteristics of fish scale and fish scale collagen were briefly described. Combined with the research and application status of fish scale collagen, the analysis and comparison of the extraction methods for fish scale collagen were emphatically conducted. Moreover, the applications of fish scale and fish scale collagen in medicine, food, chemical and other fields were summarized. Due to the excellent performance of fish scale collagen, the research on fish scale collagen is a hot topic in food, medical and chemical fields both at home and abroad. The research field and application scope of fish scale collagen will continue to expand in the future, which has important practical significance for the development of national economy and the maintenance of green environment.