The first phase of Hangzhou Baiyanggang City belongs to a high-quality residential community in Gouzhuang business district, Yuhang District, Hangzhou. According to the public information of the query map. Community is a large group of social groups or social organizations that gather in a certain field and are interrelated in life. It is the most basic content of social organism and the epitome of macro-society. Sociologists have given the definition of 140-odd communities.