Abstract: With the acceleration of agricultural modernization, Chinese ecological agriculture has developed rapidly and has become an important driving force to promote rural revitalization. At this stage, how to scientifically use the zero emission low-carbon production cycle mode and realize the all-weather efficient production of animals and plants has attracted more and more attention. As a new modern agricultural development technology, fish vegetable co cropping has high technical and economic value. According to the characteristics and advantages of fish vegetable co cropping, this paper analyzes the application methods in ecological agriculture, so as to provide scientific reference for the rapid development of ecological agriculture in China.