The invention discloses a broom with an electricity warning function. The broom with the electricity warning function comprises an insulated handle, a broom head, an electricity sensor, an audible and visual alarm device and a power source. The insulated handle is connected with the broom head. The electricity sensor, the audible and visual alarm device and the needed power source are electrically connected in sequence and are arranged in the insulated handle. The broom with the electricity warning function can sweep a floor to remove dust and can also give out an audible and visual alarm to remind a cleaner when the cleaner is close to an electrified device. In addition, the broom with the electricity warning function is simple in structure and convenient to install. The broom head is connected with the insulated handle in a threaded mode, so that connection is convenient and firm. A rubber holding bar is arranged at the top end of the insulated handle, so that the broom is comfortable in hand feeling and suitable for being held in use. The broom head of the broom is sleeved with a nylon wire net sleeve, bristles of the broom head are prevented from falling, the nylon wire net sleeve can also adsorb scrap type dust through static electricity generated through friction, and the clearing effect is quite remarkable; the power source is formed by two common 1.5-V AA batteries and is convenient to replace.