Abstract: The article analyzes the culture forms,types and symbolic significance, taking the Dongba myth as text, the conclusion is that custom, moral and cultural taboos equal law in efficiency, witch is a kind of social rules of standard form, forming a potential lasting influence and control to the persons psychology and thinking, thus, it maintains effective local life order. From methodology level, the research path of treating the culture rules and the law of the oringing and development from the perspective of culture rules and difference, is a kind of thought and exploration way of getting changes and continuation of rule consciousness.