Thermal contraction film cover

The utility model relates to a thermal contraction film cover used for packing cups and pots. The preset position on the cover wall of the thermal contraction film cover is folded and shaped in a concave mode into four concave fold lines to form a square open end. Two concave fold lines of the both opposite sides in the cover wall of the square open end are folded in a concave mode to form a concave fold line at the one half point, so the open end of the thermal contraction film cover is in a star shape. When the thermal contraction film cover is matched with and sheathed in an oblique conical cup and a container pot, the end edge and the cover wall of the thermal contraction film cover can be firmly arranged on the surfaces of the oblique conical cup and the container pot in a smooth mode. So the thermal contraction film cover can be attached on the container in a smooth mode after thermal contraction packaging, and thereby, the utility model achieves the effects of smooth and beautiful appearance, reduction of fraction defective, etc.