The land ethics thought of American ecologist Leopold is widely used in the study of man-land relationship, and it is also very reasonable to apply this theory to urban research. In the production of urban space, the unitary orientation of land value, the neglect of land rights and the compression of public space are obviously on contrary to land ethics. We should set up the train of thought of urban development as a whole, to respect land rights, to explore the multiple values of urban land, and to run through the whole process of...