The affected area of the whole city is 16000 square kilometers, the disaster area is 14000 square kilometers, and the affected population is 1.9 million, including 800000 people in Fangshan District. Roads, bridges, and water conservancy projects across the city were damaged in many places, many civilian buildings collapsed, and hundreds of cars lost seriously. According to preliminary statistics, the city's economic loss is nearly 10 billion yuan. More than 160000 people participated in this heavy rainfall response, and accumulated