The use of liquid ethanol as fuel in catering industry can't meet the requirements of fire protection regulations. The small hot pot used for warm scalding in restaurants uses solid ethanol, but it is rare. It is illegal to use it as hot pot fuel in an all-round way. First, the storage capacity is large, which can not meet the requirements of fire protection regulations; Second, the gas produced during combustion is extremely harmful to human body; Third, the fire hazard is serious.