Abstract: In order to improve the site conditions of fruit trees such as gree, hawthorn, peach, pear etc.a comparative experiment on wheat straw mulching sand surface was conducted on newly-created sand land in Yucheng County,Shandong Province in 1987-1989.The results showed that mulching treatments could adjust soil temperature,avoid high-temperature harms to fruit trees in Summer and ensure their safe overwintering in winter, improve water and nutrient conditions, suppress weed growth and lessen sand drift damages,thus better the growth and development of fruit trees and increase yield.