Abstract: Under the background of New Urbanization, the theory and practice research of eco-city has once again become the focus of attention in academia. As an important technical mean of urban development and construction, the status and role of urban design is more prominent to show up. According to the requirements of the ecology and effectiveness of city construction currently, this paper discusses the integrated design ideals of urban design, architecture design, and landscape design. It also establishes the security pattern of landscape ecology based on the existing studies of ecological urban design and green blocks. Furthermore, the paper puts forward urban design strategies of green blocks on the basis of landscape ecology from the aspects such as green open space, green street, and green architecture, providing the efficient technical methods and ways to achieve the goals of urban sustainable development.