The invention relates to the technical field of building material lifting, in particular to a device for conveniently and quickly lifting, loading and unloading materials, which comprises a supporting mechanism, a lifting mechanism, a connecting mechanism, a braking mechanism and a driving mechanism, the lifting mechanism can be supported and mounted under the action of the supporting mechanism, materials can be conveniently loaded, unloaded and lifted, the working efficiency is improved, meanwhile, the lifting mechanism can be conveniently moved and transferred under the action of the supporting mechanism and can be conveniently used in different areas, the lifting mechanism can slide smoothly and stably under the action of the connecting mechanism, and the working efficiency is improved. The lifting mechanism is more labor-saving and flexible during material lifting, the braking mechanism can be driven under the action of the driving mechanism, so that the braking mechanism can abut against the ground tightly, the supporting mechanism cannot move freely, material lifting work is facilitated, and when the driving mechanism is driven reversely, the braking mechanism can be reset conveniently; and the supporting mechanism can move conveniently.