▎ 摘　　要

NOVELTY - The utility model claims a multi-layer nonwoven fabric bag with heat preservation function, comprising a bag body, the left and right sides of the bag body of the upper end fixedly connected with handle, and the bag body comprises nonwoven fabric layer, the nonwoven fabric side of the base layer is provided with a protective layer, and the protective layer comprises a polytetrafluoroethylene fibre layer; graphene fibre layer and polyvinyl chloride fibre layer; the outer side of the nonwoven fabric layer is provided with a heat preservation layer, and the heat preservation layer comprises a glass cotton layer, a sponge rubber layer and a phenolic resin layer. This utility model comprises glass cotton layer; the insulating layer of the sponge rubber layer and the phenolic resin layer; it has three layers of heat preservation function; the phenolic resin layer has the first layer of heat preservation function to the article in the bag body; the sponge rubber layer plays the second layer of heat preservation function to the article in the bag body; the glass cotton layer has the third layer of heat preservation function to the article in the bag body; so as to effectively improve the heat preservation property of the non-woven fabric bag, expanding the use range.