High-rise building escape device

The utility model relates to a high-rise building escape device, which is characterized by comprising a combined slide, automatic control devices and fixing devices. The combined slide is fixed on a balcony of an adjacent floor via a double-spiral structure and consists of a flexible end and a cornering joint end, the flexible end is retracted onto a balcony of a top floor via one fixing device, the cornering joint end is disposed on a balcony of another floor via the other fixing device, both the flexible end and the cornering joint end are made of aluminum alloy materials integrally, the automatic control devices are disposed in the flexible end and the cornering joint end, and downwards-tilted ends of the flexible end and the cornering joint end are flexible. The high-rise building escape device is novel in structure, realizes automatic control and is high in safety, and people can directly escape from balconies via the slide when in fire hazard by the aid of the high-rise building escape device.