Abstract: Importance of plant protection machinery in agricultural was introduced．Development characteristics of plant protection machinery in China were analyzed from aspects of ownership，use status，industry status，quality supervision and quality standard of plant protection machinery.The gap between China and foreign countries and existing problems were also stated.It was pointed out that future development trend of plant protection machinery in China was to expand types of application machinery，strengthen innovation and application of basic components，popularize efficient and precise application of plant protection machinery，especially to actively develop agricultural and aviation plant protection machinery.