Abstract: Six introduced varieties of millet （Panicum miliaceum L.） were used to carry out ecological adaptability test in arid area of central Ningxia using water-permeable film, and comparative analysis was made from growth period, agronomic characters and water use efficiency. The results showed that three excellent varieties （lines） of millet suitable for extension cultivation in this area were selected： Gu 15-5, Ning Mi 9 and Gu mi 22. It provides theoretical guidance for large-scale demonstration and popularization of new varieties of millet in arid and semi-arid areas of Ningxia.

Key words: water-permeable plastic film, millet （Panicum miliaceum L.）, influence, arid area of middle Ningxia