Horizontal round tube shrink sleeve labeling machine is a kind of electric shrink sleeve labeling machine, which is mainly applied to shrink sleeve labeling of all kinds of long cylindrical bottles that can not stand steadily. Here, the round tube is laid down by the bottle separating mechanism, and then conveyed to the designated position by the roller conveyor, and then conveyed to the electric shrink furnace after attaching the shrink film label, to complete the task of shrinking and labeling by the way of electric shrinking. It features high efficiency, high precision and low cost.