NOVELTY - A manual ecological wastewater treatment unit comprises a plant layer, a manual packing layer, and a manual compound filter-material under layer from the top to the bottom. The manual compound filter-material under layer is formed by mixing broken stones, construction garbage, furnace clinkers, and clay particles. The manual packing layer is a 4-6 cm thick layer formed by mixing soil and sawdust. The plant layer is formed of bulrush, 12 clumps/m2 of Paspalum notatum, ryegrass, and 18 clumps/m2 cattail.    USE - A manual ecological wastewater treatment unit for expressway service area (claimed) having pool wastewater, sanitary wastewater, and industrial wastewater.    ADVANTAGE - The unit eliminates inorganic eutrophication elements like nitrogen and phosphorus in the wastewater and organic pollution substances including suspended solids, chemical oxygen demand, and biochemical oxygen demand. It is inexpensive, and allows convenient operation.    DETAILED DESCRIPTION - A manual ecological wastewater treatment unit comprises a plant layer, a manual packing layer, and a manual compound filter-material under layer from the top to the bottom. The manual compound filter-material under layer at the bottom is 4-8 cm thick. It is formed by mixing broken stones, construction garbage, furnace clinkers, and clay particles whose diameters are 1-4 cm. The volume ratio of the broken stones, construction garbage, furnace clinkers, and clay particles is 6:2:1:1. The manual packing layer is a 4-6 cm thick layer formed by mixing soil and sawdust at a volume ratio of 6:4. The plant layer is formed of bulrush, 12 clumps/m2 of Paspalum notatum, ryegrass, and 18 clumps/m2 cattail. The void ratio of the manual compound filter-material under layer is 15-20%, and the permeability coefficient is not less than 1x 10-1 cm/second, and the pH is 8-9. The unit is provided with a stainless steel water baffle boards, and a rectangular steel board which is 90 cm long and 40 cm wide. The under-layer is welded with stainless steel water baffle boards or connected by pins. The manual compound filter-material under layer comprises a quartz sand layer, a steel slag layer, a zeolite layer, and a turf layer. Bio-membrane carrier soft fillings comprising simulating-waterweed pigtail-curtain type filling, are arranged on the manual compound filter-material under layer.