The utility model relates to a heat-preservation bucket, which comprises a bucket cover of the bucket, a bucket body of the bucket, bucket lifting handles and a faucet, wherein the bucket cover of the bucket comprises a bucket cover lifting handle, a bucket cover shell and a bucket cover container; polyurethane foam is filled between the bucket cover shell and the bucket cover container; the bucket body of the bucket comprises a bucket body shell, a bucket body inner container and the bucket lifting handles on two sides; the polyurethane foam is filled between the bucket body shell and the bucket body inner container; the bucket can be conveniently carried by the bucket lifting handles; and the faucet is arranged at the bottom of the bucket, so that water can be conveniently discharged. Polyethylene plastics form an outer layer, the stainless steel inner container forms an inner layer, and polyurethane is filled in a middle layer, so that the bucket is high in overall heat-preservation performance and non-deformability, difficult to bruise, light in weight and convenient to carry and transport.