Abstract: To study the effects of balanced and combined application of nitrogen (N), phosphorus (P) and potassium (K), and separate reduction of N, P, and K on nutrients acquisition and yield traits of super-high yield summer maize in Hebei,‘Zhengdan 958’is taken as the material, conventional plant nutrients test and yield traits analysis are conducted. The contents of N, P and K at different growth stages and the yield at mature stage are determined. Compared with CK, balanced application of N, P and K (T), and separate reduction of N (T-N), P (T-P), and K (T-K) increased the accumulation of N, P and K at various growth stages, growth phases and the whole growth stage, and also increased the absorption rate, yield spike numbers, and per-1000 grain weights. The accumulation of N, P and K, absorption rate and yield under T-N, T-P, and T-K treatments decreased obviously compared with the T treatment, the largest reduction was found in T- N, followed by T-P, and then in T-K. The uptake rates of N, P, and K of plants in various treatments displayed a curve with a single peak, the highest value of N and P was from ear formation to silk stage, and the highest value of K was from jointing stage to the ear formation stage. The amounts of N, P2O5, and K2O for per 100-kg grain of summer maize of all the treatments were 2.07-2.81 kg, 0.67-0.83 k, and 2.21-2.52 kg, respectively. Among the treatments, the N, P and K amounts used for producing per unit grain were higher than that of CK. The results suggest that the balanced combination of N, P, and K is benefit for the improvement of plant nutrients accumulation, plant biomass production, dry matter accumulation and yield formation in super high summer maize.