A geopark is a geological heritages scenic spot of special geoscientific significance, rare natural attribute and aesthetically ornamental value and with given scale and distribution scope, which integrates other natural scenes and sights and that of cultural interest into a unique natural area. It is not only a site for travel and sightseeing, vacationing and health recuperation as well as cultural recreation at a relatively high scientific level, but also a key protected area of geological heritages and base for geoscientific research and popularization.