Abstract: Many terms uesd in the tube-making cycles look like similar to each other, but in fact have different meanings.The definitions of the terms commonly-used by the tube-making industry are described, compared and summarized here in the paper.Based on the comparative analysis, it is pointed out that the industrial terms have their similarities and differences, which needs to be further discussed by peers of the industry.Besides, it is also emphasized that to standardize such terms is of so realistic significance and necessity.