In order to clarify the suitable nitrogen fertilizer operation method for increasing rice yield and imprving nutrient efficient use in saline-alkali soil，field experiments were conducted from 2017 tO₂018，the japonica rice variety kenjingNo.7 was selected as the test material.Five kinds of nitrogen fertilizer applications were setup，namely no nitrogen fertilizer(N0)，farmers’conventional nitrogenapplication(N1，the total amount of N was 150 kg/hm²，basefertilizer ∶ tillering fertilizer ∶ panicle fertilizer=6∶3∶1)，balanced nitrogen application(N2，the total amount of N was 150 kg/hm²，base fertilizer ∶ tillering fertilizer ∶ panicle fertilizer=5∶3∶3)，nitrogen reductiontreatment(N3，the total amount of N was 135 kg/hm²，base fertilizer∶tillering fertilizer∶panicle fertilizer=4∶3∶3)，and advanced balancednitrogen(N4，the total amount of N was 150 kg/hm²，base fertilizer ∶ tilleringfertilizer ∶ panicle fertilizer=5 ∶ 3 ∶2).Amongthem，N1 was used ascontrol.N，P and K contents were measured atheading and maturity stages，respectively，and accumulations and transports ofnitrogen，phosphorus and potassium，transporting contribution rates and actual yields were calculated afterharvesting.Results showedthat，compared withN1，N2 and N3 were beneficial to increase the yield of rice，with an average increase of 14.23% and5.64%，especially thedifference between N2 and N1 wassignificant，while the N4 yield was significantly reduced by7.98%.N2 and N3 increasedthe accumulation ofN，P and K inleaves，stems and sheaths at the heading and maturitystages，and the difference betweenN2 and N1 was significant.At the same time，N2 and N3 increasedN，P and K nutrient transport，translocation rate，transport contribution rate and nutrient increase in leaves and stem sheaths from the head to the maturitystage.Inparticular，theN，P and K transporter and leaf nitrogen transport rate of leaves under N2 treatment increased significantly by83.27%，71.33%，74.54% and20.26%，respectively，while N4 showed the oppositetrend.Inaddition，there was a significantly positive correlation between rice yield andN，P and K accumulation and nutrient transport contribution rate inleaves，stemsand sheaths atmaturity，and there was synergy among nutrient transportrates.Insummary，balanced nitrogen applicationand nitrogen reduction treatment can increase the accumulation ofN，P and K in rice at heading stage and maturitystage，and promote the transport of nutrients from head tomaturity，which were beneficial to the increase rice yield and efficient use of nutrients in saline-alkali soil.