This study aims to propose the method to analyze the actual condition of the blocks with the various mid-to-high-rise buildings and complex buildings at the width of the frontal road, by the use of "The Three-dimensional Use Diagram". The conclusions are as follows. 1.The thirty-three blocks in the built-up area can be classified into 6-types by analyzing the street pattern and the site condition, the density of mid-to-high-rise buildings, and the three-dimensional land use. 2.The two typical types of them is clarified. The one is the block with large area abutting on a trunk line, and the other is the block with large area abutting on minor streets.