２００２年，我国粮食流通体制改革步伐明显加快，相继出台了粮食相关政策，从宏观上对我国粮食市场格局进行整体规划，从而影响到我国上半年粮食市场价格走势。笔者从２００２年上半年出台的相关粮食政策对玉米市场的影响来分析玉米的后期走势。上半年出台的相关政策对玉米市 In 2002, the pace of reforming the grain circulation system in our country was markedly accelerated. Relevant grain policies have been promulgated one after another, and the overall planning of the grain market pattern in our country has been macroscopically affected, thus affecting the price trend of the grain market in the first half of China. The author from the first half of 2002 introduced the relevant food policy impact on the corn market to analyze the later trend of corn. Relevant policies introduced in the first half of the corn market