Abstract: Waxy maize plays an important role in improving the dietary structure of residents, improving the benefits of maize planting and promoting the adjustment of industrial structure. Bainuo 66 is approved by Gansu Variety Certification Committee with the number as Ganshen Yu 20210139. It is breeding by Zhangye Deyuan Agricultural Science and Technology Development Co., Ltd.and the Zhangye Academy of Agricultural Sciences with self-selected line dynm16 as female parent and dynf23 as male parent. The average converted yield of fresh ear is 18 451.5 kg/hm~2 in the regional trial of fresh eating maize and waxy maize group in Gansu Province from 2018 to 2019, which increased by 8.5% compared with the control variety Baiyunuo 909. The Characteristics of this variety is 201.5 cm plant height, 69.5 cm ear height, 22.3 cm ear length, cone type ear, white grain, white ear axis. It took about 92 days from sowing to harvesting. The content of crude starch is 72.1%. The proportion of amylose and crude starch is 0.5% and the cooking quality is gade 2. It is suitable to be planted in Qingyang, Pingliang, Jiuquan, Zhangye and Wuwei.