The utility model relates to an elastic hook. The elastic hook is characterized in that the elastic hook is composed of a hook body, a rotary position right angle hook pin, a pin seat, a key ring hole, and an elastic resetting mechanism. One end of the hook body is fixed on the pin seat, and the other end of the hook body is connected with the corresponding pin end of a rotary position right angle hook when the hook body is in a pinned state. The rotary position right angle hook pin and the pin seat are in butt joint through the clamping block of the rotary position right angle hook pin and the clamping groove of the pin seat, and the rotary position right angle hook pin can move along the axial direction of the pin seat, and can wind the pin seat to rotate in the axial direction in a pulling out state. The elastic resetting mechanism is arranged in the pin seat, and one end of the elastic resetting mechanism is penetrated the pin seat along the axial direction of the pin seat to be connected with the rotary position right angle hook pin. The elastic hook has the advantages of reasonable integral structure, beautiful appearance, durability, firm and reliable structure, convenient use, etc.; the fatigue of materials is not easily caused to cause the losing of the wearing articles of a key, etc.