Static electricity produces a feeling of electric shock, which is uncomfortable. Static electricity in life is generally not very harmful to the human body. Generation of static electricity generally occurs in the dry season, in the car door, wearing off chemical fiber clothing, etc. will be in the local skin accumulation of a large number of charges, this time, if the finger touches the metal conductive material, the static electricity will be suddenly released, it will produce a feeling of being electrocuted, causing discomfort, but this static electricity will not be hazardous to the human body. If the static electricity accumulated to a certain value without timely discharge, the accumulation in the human body may affect the brain nerve potential conduction, causing headaches, insomnia and irritability and other symptoms, may also lead to skin problems such as rashes and cardiac arrhythmia symptoms, this reaches a certain amount of static electricity will cause harm. Static electricity can also attract dust, which is detrimental to health. So although static electricity in life does not cause harm, but accumulated to a certain extent still has an impact. In daily life to avoid the generation of static electricity, and timely discharge to prevent the accumulation of static electricity.