Abstract: Transmission line is one of the important components of the power system, which transmits electric energy and supplies the electricity demand of the whole society. However, the transmission line will be affected by the field environmental factors, there are flood control hazards, such as near the river, low-lying water, landslides and so on. These hidden dangers may lead to transmission line tripping, power outage, tower collapse and other accidents, causing great losses to the society. In order to prevent the occurrence of these accidents, this paper discusses different types of emergency repair methods of the flood control hidden danger pole and tower. This paper mainly introduces the classification, coping method and emergency repair plan of the flood control tower in Beijing area.