Heat Shrinkable packaging bottles are specially designed for full-automatic production lines of beer, beverages, purified water, fruit juice, dairy products and other beverages, it has the full automation function of conveying feeding materials, arranging bottles, wrapping films, sealing and cutting, shrinking, cooling and shaping processes, etc. Its channel separation device has the following characteristics: 1. Novel structure; 2. Flexible and reliable movements; 3. The characteristics of accurate separation and quick replacement of varieties can improve work efficiency and avoid bottle clamping failure. The principle of the bottle sorting and separating device of the heat-shrinkable film packaging bottle is: it has the bottle feeding conveyor belt and the buffer conveyor belt which are set in sequence along the movement direction of the bottle and move in the same direction, and its characteristics are: the counting and clamping mechanism is set on both sides of the mentioned bottle-feeding conveyor belt, and the special film covered by aluminum is customized. The above of the mentioned buffer conveyor belt is suspended and the bottle-pulling and separating mechanism is set, and the outside of the bottle-pulling and separating mechanism is set with the bottle-blocking mechanism. The utility model is applicable to the production matching before packing in food, medicine, daily chemical and other industries, and belongs to the technical field of packaging.