The invention relates to a breeding method, in particular to an ecological breeding method for cyclically producing grass carps sold in supermarkets. The method comprises the following steps of pond preparation, fry stocking, feed feeding, water quality management, adult fish harvesting, fry supplementing and cyclic harvesting and fry supplementing. By means of the breeding method, fry can be continuously put five or more times in a year, fishes are sold five or more times, the annual net output is more than 5,000 kg/mu, water replacement or drug application is not needed, and cyclic production is achieved; according to the method, pond water can be fully utilized, the relative stability of water quality and sediment quality is kept, and the method has extremely high economic and social benefits.