“民以食为天”,这是古今通论。然何以为食?如何为食?这是人类社会诞生以来必须面临的现实问题。远古人类的采集、狩猎活动应在饮食之列,其后的农事诸如作物品种的选育、种植,粮食的加工、熟化更是人类饮食生活的范畴。陈正奇这部《长安农事拾遗》论述了古代关中(长安)自有人类 “People eat food for the world”, this is ancient and modern theory. How to eat? How to eat? This is the real problem that human society has to face since its birth. Ancient human collection, hunting activities should be in the list of food, followed by farming such as crop breeding, planting, food processing, maturation is the category of human diet. Chen Zhengqi This “Chang’an Agriculture Collection” discusses the ancient Guanzhong (Chang’an) own humanity