The invention relates to an anti-sag foot sock, which is mainly attached to a traction belt extending outside the sole surface of the sock, and a demon stain is provided between the sock tube and the traction belt, so that the anti-sag foot sock can be provided to the user After wearing the foot cover, the angle between the sole and the ankle is fixed by the traction belt to achieve the effect of preventing and correcting the foot drop.本發明係一種防垂足襪，主要係於襪子的足底面外側延伸有一條牽引帶，並在襪筒與牽引帶之間設有對應沾黏之魔鬼沾，俾可由防垂足襪供使用者的足部穿套後，由牽引帶牽引腳掌與腳踝的角度予以固定，達到預防、矯正垂足的效能。
