The utility model discloses an elastic thermal intermediate body for clothes. The utility model is characterized in that the elastic thermal intermediate body is provided with three layers; an intermediate layer is a knitting fabric (1) (weft knitting or warp knitting fabric) serving as a carrier; an inner layer and an outer layer are short-fiber layers (2); the intermediate layer, the inner layer and the outer layer are integrated into a whole through needling or bonding. The utility model has the advantages of thermal protection, air permeability and softness of hand feeling, and after made into clothes, can keep the elasticity matched with a surface fabric and has the advantages of comfort of wearing, good property of thermal protection, wash resistant, air permeability, good performance of moisture resistance and favorable performance of operation.