The utility model relates to a heat-preservation basket, in particular to a foldable heat-preservation basket which comprises a basket body and a handle, and is characterized by further comprising a framework mounted on the basket body; the framework comprises an upper frame, a lower frame and folding rods provided with limiting mechanisms; the folding rods are mounted between the upper frame and the lower frame in a folding manner; the basket body is made of heat-preservation fabric; each folding rod on the framework is a double-section folding rod; the upper end of the upper section of each folding rod is connected with the upper frame, and the lower end of the lower section of the folding rod is connected with the lower frame; the limiting mechanism of each folding rod is arranged at the connection point of the upper section and the lower section of each folding rod. According to the foldable heat-preservation basket, the framework provided with the folding mechanism is arranged on the heat-preservation basket, so that the durability and reliability of the heat-preservation basket are effectively improved, and the foldable heat-preservation basket can be used by a user more safely.