University community belongs to functional community. Community types are: unit community: the main body of the crowd is composed of employees and their families, with independent jurisdiction and closed management. Community-based community: a closed community developed according to the established system, with complete functional facilities and independent property management. Plate-type community: it is mainly defined by three or more road cutting blocks, mostly in the old city, and is the main type of urban community at present. Functional communities: In addition to geographical jurisdiction, communities with concentrated functions such as commerce, culture and public services generally have no permanent residents.