Two years of field randomized block experiments were conducted to study the effects of different forms of nitrogenmanagement on inorganic nitrogencontent，photosynthetic characteristicsdry matter and nitrogen accumulation andtranslocation，nitrogen useefficiency，yield and economic benefits during key periods ofmaize.The field experimentsincluding eight fertilization treatments:No N fertilizer application(CK)，once -applied common urea as base fertilizer(PU1)，conventional applied common urea(PU2，60% seed fertilizer + 40% topdressing)，layered applied commonurea(PU3，top layer:middle layer:bottom layer=2 ∶ 3 ∶5)，slow -released(PCU)and common urea(PU)mixedlayeredapplying[toplayer(PU):middlelayer(PCU +PU):bottomlayer(PCU +PU)=2∶3∶5]，including PCU1(PCU∶PU = 3∶7 at both middle and bottomlayers)，PCU2(PCU∶PU = 5∶5 at both middle and bottomlayers)，PCU3(PCU∶PU = 3∶7 at middle and 5∶5 at bottomlayer)，PCU4(PCU∶PU = 5∶5 at middle and 3∶7 at bottomlayer).The results showed that common urea layered application and slow release/common urea combined application as base fertilizersincreased the soil inorganic content in 10～ 20 and 20～ 30cm，increased chlorophyllcontent，net photosyntheticrate，transpiration rate and stomatal conductance，decreased the intercellular carbon dioxide concentration during maize silkingand filling stage，they also increased dry matter and nitrogen accumulation in maturity，increased dry matter and nitrogenaccumulation and translation after silkingstage.Compared to common urea layeredapplication，the effects of slow release/common urea combined layered application as base fertilizer were better.In all treatments，the dry matter accumulation，nitrogen accumulation，nitrogen harvest index，nitrogen fertilizer partial productivity and nitrogen fertilizer utilization rate of PCU4 treatment were 23.55×103 kg·hm-2，190.85 kg·hm -2，0.54，63.18 kg·kg -1and 43.53% respectively.Slow release/common urea combined layered application as base fertilizer were more conducive to improve yield and economicbenefits.PCU4 treatment had the highest yield of maize in 2017 and2018，which was 13 899.08 and 12 439.35 kg·hm -2respectively，the economic benefits were 17 022.24 and 14 832.65 yuan·hm -2respectively.In summary，it can be seen that common urea layered application and slow release/common urea combined layered application could increase soilinorganic nitrogen content after maize silkingstage，improve the photosynthetic characteristics of leaves and promote theaccumulation and transport of dry matter andnitrogen，increase nitrogen useefficiency.Slow release/common urea combinedlayered application as base fertilizer were more helpful to increase maize yield and economicbenefits，and PCU4 treatment had the best effect.