Abstract: Ancient myth originated from the process of collective productive labor of primitive humans manufacturing and using simple tools, it is the result of simple thinking, and it is a reflection of the original agricultural production, at the same time, it contains abundant agronomy ideology, including that the setting up of theology reflects agriculture philosophy focusing on relationships of san cai; the hero myth implies the ideology of agriculture origins and agricultural disaster prevention and control; plants and animals myth contains the ideology of original ecological agriculture and herbal medicine classification, etc.