The utility model relates to an elastic hook. The utility model is composed of an elastic wire rope hook body, a hook sleeve, a hook seat and a key-ring hole. A locking mechanism is arranged on the hook seat and is utilized to lock the elastic wire rope hook body to be eccentrically pressed to the side edge of the jack of the hook seat, and the lower end of the hook sleeve is eccentrically pressed to the wall surface of the inner side of the jack of the hook seat. The locking mechanism can be composed of locking screws, and the locking screws are connected with the hook seat by a thread pair. The utility model has firm and reliable structure; thereby, as long as the locking mechanism is not loosened, utility model can always maintain fastening state, and the utility model can not loosen the elastic wire rope hook body. The utility model is easy in use; thereby, as long as the locking mechanism is loosened, the elastic wire rope hook body can be centripetally pressed to be parallel to the hook seat, and the opening mouth of the elastic hook can be exposed.