According to the characteristics of agricultural system in Beijing, Tianjin and Hebei, population pressure, resource utilization and construction capability are taken as the first grade indices. And There are a total of 14 second grade indices, such as the per capita cultivated land, per capita grain yield, per capita meat product, per capita aquatic product, per capita fruit, per capita water resource, per capita GDP, multiple cropping index, and proportion of agricultural expenditure in financial expenditure. An evaluation theory system for the coordination degree of agricultural system is established; and the empirical study on the agricultural coordination degree of Beijing, Tianjin and Hebei is carried out. Result shows that agricultural cooperative development in Beijing, Tianjin and Hebei is still in its primary stage. It is put forward that ideology is the premise, plan should take the lead, transportation is the foundation, and enhancing the brand is the key. Countermeasures are put forward for the agricultural cooperative development in Beijing, Tianjin and Hebei, such as enhancing the sense of strategic positioning during agricultural cooperative development in Beijing, Tianjin and Hebei, promoting the agricultural cooperative development planning in Beijing, Tianjin and Hebei, establishing a modern and integrated transport network system, strengthening the agricultural science and technology support, and improving the grade of agricultural products.