What are the five elements theory?

Philosophy that originated in the five elements "history · hung fan".Life line 5, the water, the fire, three Japan wood, four gold, five yue soil.Five elements theory to the objective world as gold, wood, water, fire, soil five basic element of "yuan", all kinds of things and phenomena in nature (including people) development and change are the five "yuan" constant motion and the result of the interaction.Basic contradictory between water and fire, interdependence and transformation is the birth and death all things of the universe was born out of regularity and reasons.The invention of the Yin and Yang and the five elements of basic water fire and earth is one of the greatest inventions in ancient China, it reveals the nature of the movement law of the universe.