Abstract: Development bottlenecks of mechanized harvesting technology for fresh corn in China have been examined, with a systematical analyzes of its technical characteristics and industrial value．By comparing current state of corn harvesters both domestically and internationally, key technologies in China's mechanized harvesting of fresh corn have been identified as being constrained by issues such as low levels of machine applicability and domestic applicability, and insufficient intelligence in harvesting machinery．Building on this, targeted measures have been proposed, such as strengthening key technologies' research and development, optimizing machine designs, and focusing on research and development of intelligent agricultural machinery, to promote full mechanization in fresh corn production and improve industry's independent innovation capabilities．Study has pointed out that increasing domestic production of key components, developing specialized harvesting machinery, and establishing a smart agriculture system are key strategies for overcoming current difficulties, which have important practical significance for ensuring national food security and promoting agricultural modernization．