Abstract: Food security is currently a primary research focus in China and abroad. In recent years the discrepancy between global food supply and the need for food has become increasingly severe. Both water and land availability are rigid constrains to food production. Thus this paper analyzed the current situation in relation to China’s agricultural land and water resources and their impact on food production, and then suggested strategies that increasing the use of soil moisture and rainfall by crops to minimize irrigation when maintaining basic cultivated land to ensure an adequate food supply in the future. This was emphasized through analyzing the water requirements of typical crops and farmland under different irrigation conditions in the Haihe River basin.