Liang Xin, head of the Environmental Management Section of Fangshan District Ecological Environment Bureau, introduced that in order to ensure that the water quality of the river reaches the standard in flood season, referring to past experience, Fangshan District Ecological Environment Bureau formulated the "Special Action Plan for Garbage Cleaning, Sewage Cleaning and Ditch Cleaning" in Fangshan District based on the principle of "sewage treatment, reclaimed water purification, rainwater storage, well utilization and clean water delivery to Xiong 'an", focusing on solving the problems of sewage entering the river, ditch and roadside ditch in rainy season, and cleaning the garbage near the river bank with rainwater. * * * 6,209 cubic meters of pollutants were cleared, and river inspections were carried out15,564 person-times. 3,256 wading problems were found and rectified, and 2.74 million cubic meters of ecological water was added to Dashihe and Xiaoqing Rivers, ensuring "one river with clear water to send Xiong 'an".