China's construction sector with foreign research results, the promotion of pro-urban settlements, and launched a multi neighborhood exploration. A lot of researches studied how to increase the neighbors’ intercourses in town residential quarters. For a long time, some representative theories were regarded as the criterions directing or evaluating the design of public space for residents’ intercourses in domestic urban residential quarters. Post occupancy evaluation was a significant part of the perfect design process. In this paper, surrounding the town neighbors’ intercourses, a lot of serious and systemic investigations were done in Kunming, and in addition some evaluations and self questionings were done on these theories.