【Objective】 The present paper aimed to the effects of different nitrogen treatments on milling quality, appearance quality, nutritional quality and eating quality of rice under soda-saline-alkali soil.【Method】 Taking Kenjing7 and Kenjing8 as tested materials, the nitrogen fertilizers were set as base fertilizer:tiller fertilizer:adjusting fertilizer:panicle fertilizer, and their percentage was 0(N0), 6:4:0:0(N1), 5:3:0:2(N2), 4:3:1:2(N3), 4:3:1:2(0.9 N3, the total amount of nitrogen reduced by 10 %) under the condition of the field. 【Result】When the amount of nitrogen fertilizer applied in the whole growth period was 150 kg/hm~2, the rate of fine rice and whole concentrate rice decreased, the chalkiness and chalkiness rate of rice decreased significantly, the content of amylose decreased, and the protein and taste quality of rice increased in the two varieties. Under the same nitrogen distribution ratio(4:3:1:2), the nutrient quality of Kenjing7 was improved when the total amount of nitrogen fertilizer was reduced by 10 %, and the milling, appearance, nutrition and taste quality of Kenjing8 were improved. Considering the comprehensive quality of rice, the total nitrogen application amount during the growth period was 150 kg/hm~2, and basal fertilizer:tiller fertilizer:adjusting fertilizer:panicle fertilizer was 4:3:1:2 condition, which was conducive to improving the quality of Kenjing 7. During the growth period, the total nitrogen application rate was 135 kg/hm~2, base fertilizer:tiller fertilizer:adjusting fertilizer:the spike fertilizer was 4:3:1:2, and the quality of rice variety Kenjing8 was at the best level. The nutrition and appearance quality of Kenjing 7 was better than that of Kenjing 8, but Kenjing 8 had better eating quality and milling quality. 【Conclusion】In summary, the appropriate nitrogen reduction according to the variety characteristics and the ratio of regulating fertilizer and panicle fertilizer to total nitrogen amount was beneficial to the improvement of rice quality. The results can provide a theoretical reference for rational management of nitrogen fertilizer in rice in soda-saline-alkali soil. [ABSTRACT FROM AUTHOR]