It is caused by heat generated by high temperature, static electricity, lightning strike and chemical reaction due to humidity. There are many reasons why fireworks explode during storage. Spontaneous combustion in the box is mostly caused by high temperature, static electricity, lightning strike, excessive accumulation and insufficient heat dissipation. Fireworks, also known as fireworks, fireworks and firecrackers, were invented earlier by the working people in China and are often used in grand ceremonies or performances. However, the only event in modern China and even the world that can set off fireworks on the same day is regarded as New Year's Eve.