Dreaming of setting off firecrackers and fireworks usually indicates that something good will happen.
Dreaming of setting off firecrackers or fireworks and killing people means you want to get rich.
Dreaming of others setting off firecrackers, you will receive greetings from distant friends, or get their information to know if they are doing well. Your mood will also be taken far away, and anything different from real life can make you have a beautiful imagination!