The utility model relates to a group firework display which includes a cylindrical plastic cylinder shell (1), a bottom cover (2), a top cover (3), an external lead (10), a seton (4) and a pothook (5); the utility model is characterized in that the upper mouth diameter of the shell (1) is less than the lower mouth diameter; the shell (1) is internally provided with a plurality of lattice plates (6); the diameter of each lattice plate (6) is less than the internal diameter of the shell (1); each lattice plate (6) is connected with the shell (1) by a connecting line (8); the bottom surface center of each lattice plate along radial three directions is provided with a fast down-lead (7) with fast combustion speed connected with the connecting line (8); a slow down-lead (9) with slow combustion speed and with the external layer having no-combustion foreskin arranged between the upper layer lattice plate and the lower layer lattice plate; one end of the slow down-lead (9) is connected with the fast down-lead (7) of the center of the upper layer lattice plate; the other end of the slow down-lead (9) is connected with the connecting line (8) of the lower layer lattice plate; the upper part of the shell is internally provided with a firework bin (11); the bottom part of the firework bin (11) is provided with a firing cable small hole; a firework firing cable (15) is connected with the connecting line (8) on corresponding lattice plate.