One is to take a cylindrical iron drum with a diameter slightly more than 10 cm and put it vertically on the flat ground; the other is to put the fireworks into the iron drum and put the fuse outside to facilitate ignition; the third is to ignite and then quickly evacuate to a safe area more than 20 meters away.

　　Hua Dan should be set off on the ground, because this firework has a large volume and a large amount of medicine. It needs to have a back elasticity and shoot into the sky through the rebound of the ground. When setting off this fireworks, children and adults should stay away, as far as possible at 10 meters away to ensure safety.

　　The general steps of setting off fireworks eggs are as follows: 1. Place the fireworks eggs on the ignition frame according to the predetermined position and density; 2. Put dry gunpowder into the fireworks eggs and add a protective cover; 3. Fix the ignition wire on the ignition frame; 4. Connect the ignition wire to the command console, and finally confirm that the button is correct; 5. Set the ignition delay time in the command console, and then press the start button of the command console; 6. When the set delay time is over, the command console will automatically trigger the work, and the fireworks eggs will be set off to complete the spraying effect.