Fire-fighting descent control device

The invention relates to a fire-fighting descent control device, and relates to the field of building fire-fighting technology, the fire-fighting descent control device comprises a support plate arranged at the top of a building wall; the supporting storage box is arranged below the supporting plate, and a hanging ring is arranged on the supporting storage box; the buffering device is arranged in the supporting storage box, a hook, a slow descending rope and a safety belt are further arranged on the buffering device, and the safety belt is connected to the slow descending rope; the lifting supporting mechanism is arranged between the supporting storage box and the supporting plate and used for moving up and down and locking the position of the supporting storage box after moving; and the position adjusting mechanism is used for adjusting the position of the supporting plate and improving the installation error-tolerant rate of the descent control device. The descent control device has the advantages that the