The power supply and distribution design of residential quarters must be based on the actual situation, combined with its characteristics, according to the building function and load level of the residential quarters, adopt appropriate power supply and distribution forms and methods to meet the requirements of the use function. We should not only make the overall layout reasonable and meet the quality of power supply, but also provide a good power environment for each user. While realizing safe and reliable power distribution, we should beautify the environment to make the power supply and distribution reasonable and economic. The power supply and distribution system design of the community should be analyzed and designed according to the actual situation, future development and scale of the community, not only to meet the requirements in the near future, but also to leave a certain space for future development, combining the long-term and short-term, and planning as a whole.