Abstract: With core technologies development in China such as multi-sensor fusion environmental perception technology, AI algorithm-driven decisionplanning and precise execution, and 5G + Beidou high-precision navigation control, agricultural machinery has gradually entered an era of automation and intelligence．Principles and application scenarios of intelligent agricultural machinery core technologies in China were analyzed．Problems such as low autonomy rate, high cost, and inadequate adaptability to complex scenarios were identified．Based on these problems, development trends of intelligent agricultural machinery in China were explored．