The hazards of sodium dehydroacetate to the human body mainly include rashes, skin allergies, burning peeling and other symptoms, once found need to seek medical treatment. Sodium dehydroacetate is generally used as a raw material for the chemical industry, and its harm to the human body is mainly damage to the skin, if the direct contact with the skin, it will cause normal skin changes, clinically common rashes, skin allergies, and in severe cases, there will also be localized burning peeling symptoms after exposure. When exposure to sodium dehydroacetate produced the above hazards, the first should be away from the source of disease, and timely medical treatment, and then can be improved by adjusting lifestyle habits.