The article introduces four kinds of applied technologies of domestic wastewater treatment, which include algal pool, oxidation pond, earthworm and ecological filter cell, and filtering and purifying system of roil capillary tube. 对高效藻类塘、一体化氧化沟、蚯蚓生态滤池和土壤毛细管渗滤净化系统四种实用工艺的特点和效果进行了介绍和分析,以供决策者参考。