大银鱼是属银鱼属鲑形目一年生小型鱼类,因肉味鲜美,肉质细嫩,营养丰富,还具有药用价值等特点,堪称我国名特优水产品之一。大银鱼因具有生物周期短、适应能力强、经济价值高、食用方便、营养丰富等优点,而被人们广泛移植。大银鱼移植增殖与资源保护技术措施关联的因素多且复杂, Large whitebait is a genus of the genus Salmon, which is an annual freshwater fish. Due to its delicious meat, tender meat, rich nutrition and medicinal value, it is one of the famous aquatic products in China. Big silver fishes have been widely transplanted because of their advantages of short biological cycle, strong adaptability, high economic value, convenient consumption and rich nutrition. There are many and complicated factors associated with the technical measures of proliferation and resource conservation in the big silverfish transplantation.