Methanol and ethanol are alcohols in organic matter and are derivatives of hydrocarbons.

Edible alcohol is ethanol, while industrial alcohol mainly contains ethanol and also contains a small amount of methanol. If industrial alcohol is used to blend alcohol, it is commonly known as fake wine. Counterfeit wine incidents often occur because the methanol in industrial alcohol contains a lot of It is highly toxic and can damage the human nervous system and affect vision. In severe cases, it may lead to blindness