Abstract: The high-quality development of agricultural mechanization is an important support for the high-quality development of agriculture. It should be defined and evaluated from the aspects of quality and benefit, scale and structure, efficiency and effect, innovation and sustainability.This article explains the connotation of the high-quality development of agricultural mechanization, analyzes the problems faced by the high-quality development of agricultural mechanization, and believes that it is necessary to promote agricultural mechanization in terms of increasing the research and development and promotion of agricultural machinery, promoting the innovation of service forms and content, and implementing precise subsidies for the purchase of agricultural machinery. High-quality development.