The present disclosure relates to a traction mechanism of a pipeline conveying apparatus, and a pipeline conveying apparatus. The traction mechanism includes a flat belt, where a plurality of trays are fixedly arranged in a lengthwise direction of the flat belt, and these trays are arranged at intervals on the flat belt. The pipeline conveying apparatus includes a pipeline, where the traction mechanism is arranged in the pipeline in a penetrating manner, and the pipeline conveying apparatus is further provided with a driving mechanism for driving the traction mechanism to move in the pipeline. The present disclosure overcomes the defects of existing pipe chain machines and pipeline machines, and provides a pipeline conveying manner with low crushing rate, sanitation, silence, small occupied area, compact space arrangement, and lower cost for a food industry, especially conveying of ready-to-eat food.