基于分析２０世纪后期，世界农业发生的重大变化及由此引起的全球环境恶化等问题，本文着重论述了２ｌ世纪农业及农业工程科学技术发展的趋势与特点。说明持续农业是世界农业发展的总趋势。依照世界农业、农业工程科学技术发展的态势，根据我国的国情及适合我国国情的现代化农业发展道路，阐述了我国农业及农业工程科学技术发展的目标与方向。 Based on the analysis of major changes in agricultural production in the late twentieth century and the consequent global environmental degradation, this article focuses on the trends and characteristics of scientific and technological development in agriculture and agricultural engineering in the 21st century. It shows that continuing agriculture is the general trend of world agricultural development. According to the development of science and technology in agriculture and agricultural engineering in the world, according to the national conditions of our country and the path of modern agriculture suited to the national conditions of our country, the goals and directions for the development of science and technology of agriculture and agricultural engineering in our country are expounded.