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The human body will accumulate static electricity in the process of walking, friction and so on; the human body will also sense live electricity near the insulator site or the ungrounded container loading and unloading medium place; in the spraying, blowing, water mist spray, dust flying, spatter refueling and other places, the human body will trap charged particles "live.

When the flammable gas leakage accident is disposed of, the leaking gas is easily mixed with air to form an explosive mixture gas, which will explode or burn when the ignition source occurs. When dealing with such accidents, the power supply in the warning zone is usually cut off as required, and the open fire is extinguished, but the protection problem of human static electricity is easy to be ignored. At the site of some leakage accidents of explosive gases (such as hydrogen, etc.) with minimal ignition energy, electrostatic discharge of human body can lead to explosion accidents.