The invention discloses a firecracker with a lead capable of being ignited conveniently. The firecracker comprises a firecracker body and the lead and is mainly characterized in that the free end of the lead is inserted in a sleeve, an integrally formed outer cover is arranged at the upper end of the sleeve, and an internal thread of the outer cover is in matched connection with an external thread of a bottleneck of a bottle; the upper portion of the outer circle of the bottleneck is sleeved with a pull ring, and round aluminum foil used for sealing the opening of the bottle is arranged at the end of the bottle neck; small holes are evenly distributed in the bottom end inside the outer cover, and an awl used for ripping the round aluminum foil open is arranged on one side of the bottom end inside the outer cover; glycerinum is arranged in the bottle; potassium permanganate packaged in a filter paper bag is arranged between the top end in the sleeve and the free end of the lead, and the sleeve, the outer cover and the bottle are all made of aluminum alloy. The lead of the firecracker produced with the technique can be ignited without a match or lighter, and using is quite convenient.