Excogitating a machine with reasonable price, by which beer bottle can be inspected on-line, is senility for vast medium-sized and pint-sized beer manufacturing enterprise to help them improve their production's quality and adapt to technology development. 研制价格适中可在线对啤酒瓶进行检测的机器对我国广大中小啤酒生产企业提高产品质量、适应技术发展具有重要意义。