Abstract: To promote agricultural modernization and realize agricultural sustainable development in county level, taking Pinglu county as an object, agricultural green development conditions in accordance with the idea of endogenous development were explored. Then the detailed development contents were determined, including large scale of agricultural production base, specialization of agricultural industry chains, standardization of the whole production process and branding of green agriculture. Finally, we put forward countermeasures to promote agricultural green development in county level, which were innovating production and management operation entity and technology, exploring specialized agriculture in county, strictly controlling the quality of agricultural products and creating green branding agriculture.