Different from research on a single ancient Town

this research choses 2 typical examples

which were the "organic" Ancient Town of Hongjiang located in the south mountain area

and the "regular" Ancient Town of Pingyao located in the north plain and planned under the theory of Kaogongji

and compared their city form on 2 levels

which were their material form and sociological characteristics behind.Through surveys

collecting documents

analyzing and summing up the fundamental information

it is discovered they are different in such aspects of their material form as the relation between town and natural environment

plan form of town

most important building type

building shape

relation among building units

relation between border zone and river in the vicinity

and the outer material differences originate from their different sociological characteristics including urban origins

urban functions

urban population make-up

urban developing rules

starting points and development of culture.