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Fireproof crutch is a walking stick designed for the elderly. When an elderly person with limited mobility encounters a fire, he or she can pick up the crutches and quickly hit the head of the crutches on the ground to open the storage device for extinguishing liquid. Thus, the liquid containing potassium carbonate will be sprayed out to achieve the effect of extinguishing the fire, providing more time for the elderly with mobility difficulties to wait for rescue, and greatly improving the survival rate.