Abstract: A packaging box for a bulb lamp is provided, including an enclosure hoody having a cavity inside. An outer side wall of the enclosure body forms an outer side wall of the packaging box, the enclosure body is capable of enclosing the bulb lamp in the cavity along an circumferential direction of the bulb lamp, an inner circumferential surface of the enclosure body has at least one press-contact portion capable of abutting against the bulb lamp, the press-contact portion is capable of pressing against and tightly holding an outer periphery of the bulb lamp, so that the bulb lamp is capable of being stabilized in the cavity.