Abstract: Base on the organic pear orchard in region of Beijing, study the Psylla chinensis characteristics and its occurrence regulation. on this foundation，the key techniques of management methods, such as agriculture and Plant Pesticide control have been studied. In mid- March and mid- May when the Psylla chinensis adults of the generation of winter and the first generation become richer, foundation function had been done when several control measures had been carried on to prevent the pests. through adjusting to the orchard ecosystem and then can basic control them in the following months.