The difference in nature is obvious, the former is tourism real estate, and the latter is rigid demand housing. The former pays attention to leisure and vacation, health care and old-age care, while the latter pays attention to living life. The former has low density and high greening, while the latter has high density and low greening. The former is generally located near the seaside, in the suburbs, with good surrounding landscape and imperfect supporting facilities, while the latter is generally located in the urban area with poor surrounding landscape and mature supporting facilities.