Life saving device of high buiding

The utility model discloses a life saving device of a high building. The utility model is characterized in that the life saving device of a high building comprises a safety rope, a slowly lowering device and a pair of safety trousers or a saving net cage, wherein one end of the safety rope is provided with a safety catch, the slowly lowering device can be slid downwards at friction speed along the safety rope and the safety trousers or the saving net cage are suspended on the slowly lowering device. A movable wall clipping device is suspended by the safety catch of the safety rope and presents a U shape. The distance between both side arms of the movable wall clipping device can be adjusted. A clamping tooth and a positioning knob are arranged at the connecting position of both side arms, and one side arm is also provided with a wall clamping fixed knob. The lower end of the safety rope is provided with an anti-falling safety ring. The utility model has the advantages that the structure is simple, the safety is high, the operation is convenient, the life saving device of a high building does not need to be fixed at an unpredictable fire position, the disabled, the old, the children can be saved once and the purpose that a plurality of people escape can be realized.