Heat-insulation paper barrel

The utility model provides a heat-insulation paper barrel, which comprises a barrel body, a barrel cover, heat-insulation interlayers and heat-insulation spraying coatings, and is characterized in that one heat-insulation interlayer is arranged between the outer wall of the barrel body and the inner wall of the barrel body, one heat-insulation spraying coating is sprayed on the outer wall of the barrel body, the barrel body is provided with the barrel cover which is sprayed with the heat-insulation spraying coating, and the barrel cover is internally provided with the heat-insulation interlayer. According to the utility model, the temperature inside the barrel can be kept effectively, so that objects in the barrel can be prevented from generating adverse results caused by variation of a temperature environment outside the barrel.