Abstract: Based on the datum from area test of water-ground group and production test in south Huanghuai region of National Winter Wheat Growing Area（NWWGA） during 2015 to 2018 and the display test datum of variety in large area of National Wheat Industry Technical System during 2015 to 2016, the characteristics of high and stable yield of Zhengmai 1860 were analyzed. The results showed that the average yield of Zhengmai 1860 in 2-year regional experiment was 8 457.0 kg·hm^-2, which was 5.19% higher than that of the control Zhoumai 18, and the difference was very significant. In the production test, the average yield was 7 356.0 kg·hm^-2, which was increased by 5.21% and 100% compared with the control Zhoumai 18. Among the 13 experimental points in 5 provinces set up by the National Wheat Industrial Technology System, the average yield was 8 296.7 kg·hm^-2, ranking the first. And, The average high stability coefficient of regional test and production test（85.49%） was about 5 percentage points higher than that of the control, which implied that the wheat variety Zhengmai 1860 had outstanding high and stable yield. Meanwhile, based on the datum from area test of water-ground group in south Huanghuai region of NWWGA druing 2017 to 2018, the correlation analysis of yield and its 3 factors of Zhengmai 1860 was also conducted. The results showed that there was a significant positive correlation between the number of effective panicles and yield and the potential of high yield of Zhengmai 1860 could be further explored by appropriately increasing the population and increasing the number of effective panicles in terms of production.