The utility model discloses a separating type binding-band light-emitting diode (LED) light of a bicycle. The separating type binding-band LED light of the bicycle comprises a light body, an outer shell and bandages, wherein the light body is arranged in the outer shell, and the bandages are connected with two sides of the light body and bind the light and the outer shell together. The separating type binding-band LED light of the bicycle can be installed on a seat cushion vertical pipe to be used vertically, and a battery can be conveniently replaced due to the fact that a design method that the separating type binding-band LED light of the bicycle is detachable and can be divided. The separating type bandage LED light of the bicycle has the advantages of being easy to fix, convenient to assemble and disassemble, energy-saving and environment-friendly.