This paper investigates the effect of N-P-K fertilizer on the growth and morphological proper-ties of Phoebe bournei(Hemsl.)seedlings.Research has found that a moderate combination of N,P,and K ratios can significantly improve the morphological properties of Phioebe bournei(Hemsl.),such as seedling height,ground diameter,and height diameter ratio(HD),while also increase the dry matter ac-cumulation of roots,stems,leaves,and the entire plant.The analysis of Phoebe bournei(Hemsl.)Qual-ity Index(QI)shows that the combination of moderate N,P,and K fertilizers is the most favorable nu-trient ratio for Phoebe bournei(Hemsl.)seedling cultivation.In the production of container Phoebe bour-nei(Hemsl.),an appropriate proportion of N,P,and K fertilizers should be used based on research re-sults to obtain the best morphological properties and biomass accumulation.It is recommended to control the optimal ratio of N,P,and K between 1∶0.20∶0.43 and 1∶0.65∶0.75.In order to maximize the growth and biomass accumulation of Phoebe bournei(Hemsl.)seedlings,the application rate of N can be controlled at 0.439g/plant;the application rate of P2O5 can be controlled at 0.123g/plant,and the appli-cation rate of K2 O can be controlled at 0.295g/plant.In actual production,the growth of plants should be closely monitored and fertilization management should be carried out based on the nutrient needs of the soil and plants to ensure that plants receive moderate nutrient supply and avoid excessive fertilization and nutrient concentration reaching the toxic range.