The invention provides a horizontal pull-out type bubble cap roll heat sealing machine. The horizontal pull-out type bubble cap roll heat sealing machine comprises a cover film conveying device, a bubble cap conveying device, a heat sealing device and a pull-out device. The cover film conveying device is arranged on the front side of the heat sealing device, and the bubble cap conveying device is arranged on the front side of the heat sealing device and is located below the cover film conveying device; solid drugs are placed in a groove in a bubble cap; when the bubble cap is conveyed to the heat sealing device, a cover film is heat-sealed on the upper surface of the bubble cap, so that the solid drugs is sealed in the groove to be stored conveniently; the heat sealing device is arranged between the bubble cap conveying device and the pull-out device, and the tail end of the bubble cap conveying device is arranged directly facing the inlet of the heat sealing device; the heat sealing device is used for heat-sealing the cover film and the bubble cap together to form a combination body; and the pull-out device is located on the back side of the heat sealing device and the pull-out device and the heat sealing device are located in a same plane. The horizontal pull-out type bubble cap roll heat sealing machine provided by the invention has the characteristics of being wide in applicability and good in heat sealing effect.