Abstract:A quantitative analysis is made of street networks of Beijing,Shanghai,Tokyo,Osaka,Washington,D.C.and New York City.The structures of town block were reviewed and the relationship between the street/town block and the address indication were revealed as well.The results show that the average area of town block in Chinese cities is the largest;the town block is composed as a whole structure in Chinese city,while the buildings are located separately in the town block of Japanese city;the street system of address indication is mainly applied in Chinese cities,while the block system is applied in Japanese cities.