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The utility model discloses a double-layer thermal shrinkage film for packaging multi-connected bottles and cans, which comprises an inner thermal shrinkage film, a plurality of bottles and cans form a bottle and can group, two ends of the inner thermal shrinkage film are provided with first holes for the bottle and can group to enter, the inner thermal shrinkage film after being heated and shrunk wraps the bottle and can group, and the first holes are positioned on two sides of the bottle and can group; the two ends of the outer thermal shrinkage film are provided with second holes allowing the bottle and can set to enter, the outer thermal shrinkage film shrunk after being heated wraps the bottle and can set and the inner thermal shrinkage film together, and the second holes are located in the two sides of the bottle and can set; wherein the first hole is covered by the outer thermal shrinkage film, the opening direction of the first hole is perpendicular to the opening direction of the second hole, and the second hole is located at the two ends of the bottle and can set in the length direction. The inner thermal shrinkage film and the outer thermal shrinkage film are wrapped in a vertically staggered mode, inherent holes of the thermal shrinkage films are completely covered, dirt and dust are effectively prevented, the packaging sealing performance and the overall strength are improved, and grabbing and carrying are facilitated.