The characteristic of complexity researches is the critical attitude to the traditional reductionism.Complexity researches try to build a new paradigm to beyond the reductionism which used in hundreds years.Here the so-called beyond reductionism means both exceed and inclusive it.Beyond reductionism in complexity researches means give reductionism a scope of a reasonable limit.We should break the back of the universal myth,but also to make full use of its reasonable factors,and not taken completely discard attitude.