Field experiments were conducted to study the effects of controlled-release urea on the growth and developmentof winter wheat and soil nitrate nitrogen content under the conditions of total nitrogenapplication(240 kg/hm²)and thereduction 20% of nitrogen(192 kg/hm²).The results showed that nitrate nitrogen leaching occurred at different stages ofwheat growth，especially at jointingstage.Nitrate nitrogen leaching was the most serious in 60～ 80 and 80～ 100 cm soillayers treated with common urea at jointingstage，which reached 28.21 and 26.74mg/kg，while nitrate nitrogen content in40～ 100 cm soil layers treated with controlled -release urea was only 3.51～ 5.87mg/kg，with little change and controlled -release.Nitrate nitrogen content in tillage layer of urea treatment was significantly higher than that of common ureatreatment， especially in 0～ 20 cm of 80% controlled-release urea treatment，which reached 15.40 mg/kg.In addition，comparedwith ordinary ureatreatment，controlled -release urea treatment had a certain increase trend in wheatyield，and significantlyincreased nitrogen absorption and utilization efficiency，nitrogen agronomic utilization efficiency，partial productivity ofnitrogenfertilizer；amongthem，80% controlled -release urea treatment had the greatestincrease，which increased86.7%， 90.8% and 30.9% respectively.