NOVELTY - Urban sewage is processed by leading processed sewage into solar catalyzing pond, mixing 300 ml photosynthetic bacteria and 5 kg water and spraying in sewage, separating clear water on upper layer and leading into river way, where heave sewage and the mud are released; placing reinforced white rot fungi carrier in urban sewage, and adjusting solar heating device so that water temperature is 20-35 degrees C; sterilizing the urban mud via solar energy; and piling oxygenated urban mud, where prokaryotic microorganism is completely killed.    USE - Method for processing urban sewage via solar ecological technique.    ADVANTAGE - The urban sewage becomes distilled water and dehydrated urban mud, where the dehydrated urban mud can be composted as fertilizer for flower and trees of ecological garden and forest management area. The method has simple flow and few buildings, occupies only small area of lands, and has low cost as well as equipment charge and running management charge.    DETAILED DESCRIPTION - Processing urban sewage comprises:    (A) building a dam on contact part of downstream of a sewage pipe network and a river way as an aeration tank for preventing sewage leaking;    (B) leading the urban sewage into the aeration tank, and building a spraying device on the aeration tank;    (C) building a solar catalyzing pond and a flexible gate on upstream of flexible gate, intercepting the sewage in the dam into two parts, building bank walls on two banks of river, placing a water pond between the flexible gate and bank walls, building a solar heating device on the bank via a reinforcement cage, and covering the whole sewage tank;    (D) culturing prepared nitrobacteria in a culture medium, starting the spraying processing device, spraying 900 L nitrobacteria in each mu in the aeration tank in which the water depth is 1 m and mixed in an aerobic state; and spraying the nitrobacteria at one time for each week, where the water temperature is 15-32 degrees C, and the pH value is 7.0-8.5;    (E) leading the processed sewage into the solar catalyzing pond, where the sewage temperature is 30-40 degrees C; mixing 300 ml photosynthetic bacteria and 5 kg water and spraying in the sewage of solar catalyzing pond; reacting the photosynthetic bacteria and the sewage; separating the clear water on the upper layer via pipeline and leading into the river way, where the heave sewage and the mud are released;    (F) placing reinforced white rot fungi carrier in the urban sewage at 30 kg per hectostere; adjusting the solar heating device so that the water temperature is 20-35 degrees C; and using a fan for mixing the gas in the pipeline; and    (G) sterilizing the urban mud via solar energy; and piling the oxygenated urban mud at more than 35 degrees C for three days, where the prokaryotic microorganism is completely killed, thus reaching the standards for non-hazardous disposal.