The invention relates to a residential quarter sewage purification system, which comprises a municipal sewage pipe, a food waste processor and a sewage purifying device, wherein the food waste processor is connected with the municipal sewage pipe through the sewage purifying device; preferably, the food waste processor is connected with a building sewer vertical pipe through a kitchen sewer pipe, and the building sewer vertical pipe is connected with the sewage purifying device by a building sewer collection pipe. The residential quarter sewage purification system also comprises a sewage inlet pipe through which the building sewer collection pipe is connected with the sewage purifying device, a municipal recycled water pipe which is connected with the sewage purifying device, and a residential quarter spray irrigation recycled water utilization device which is connected with the sewage purifying device. In the invention, the system is reasonably and smartly designed and convenient for use; house refuse is reduced greatly from source, so influences of the house refuse on urban environment, construction and development are reduced; and the system has a great environmental-protection significance and is suitable for large-scale promotion and application.