The utility model relates to a novel defroster catches hold of blade with a hook more belongs to defroster technical field. By body, the hook that admits air, cockscomb structure hook, the main hook and give vent to anger and assist the hook and constitute of giving vent to anger, the body be wavy, its both ends are provided with stiff end and stopper respectively, the hook that admits air sets up in the body top, comprises initiating terminal and hook portion, the cockscomb structure catches hold of with a hook and is located between ascent stage and the descending branch to along body lower part setting, the main hook of giving vent to anger is L shape structure with giving vent to anger to assist to catch hold of with a hook. Will the utility model discloses be applied to the defroster on absorption tower, have simple structure, fog effects advantage such as good.