The study on the ecological thought in has achieved a lot,but the research on agricultural ecological thought is insufficient.In recent years,agricultural ecological problems occur frequently in China,so it is particularly necessary to study the agricultural ecological thought implied in Capital which inspected the root cause of agricultural ecological problems,analyzed the core agricultural ecological problems and put forward the corresponding solutions.Marx's thought of agricultural ecology is critical,systematic and revolutionary and it provides the corresponding enlightenment for China's agricultural development to get rid of the ecological dilemma.