Abstract: This paper dealt with the utilization efficiency of natural resources of agroforestry by the field experimental methods. The results showed that agroforestry had function of raising the utilization of natural resources. Compared with those in the wide field,the agroforestry could raise 25.0%,10.3%～15.2%,11.0%～13.0% of the Utilization thermal of solar energy,soil water and energy respectively,and also local peasant’s income. So agroforestry is spreading in plain agricultural area.