Taking the land for old industrial heritages and the renovation of mill buildings in area of Shanghai World Expo and those of Shougang Group and Coking Plant of Beijing for example,it is explored that the attitude and designing conception that should be used in confronting the theses of industrial heritage protection and development:i. e. the conception of casting aside simple copy and returning to reason and science,as well as faith and invention,which is the core spirit displayed to the public by urban industrial heritages.