High-altitude falling prevention device for flexible guide rail of iron tower and using method of high-altitude falling prevention device

The invention discloses an iron tower flexible guide rail high-altitude falling prevention device and a using method. The iron tower flexible guide rail high-altitude falling prevention device comprises a special lifting hook. The special lifting hook comprises a main hook and an auxiliary hook; one end of the main hook is connected with the pressing tongue through a rotating shaft, and two sides of the other end are respectively provided with a connecting shaft and a pin hole; the connecting shaft is rotationally connected with the auxiliary hook, and the auxiliary hook is provided with a pin which penetrates through the pin hole and is connected with the main hook through a plug pin. A hoisting plate is slidably connected to one side edge, away from the auxiliary hook, of the main hook; a first hole and a second hole are respectively formed in two ends of the lifting plate; the first hole is connected with the flexible guide rail, and the second hole is detachably connected with a throwing device of the unm