A field experiment was carried out to investigate the impact of reduced & optimized fertilization on banana(Musa AAA Group Cavendish Williams)growth，yield，quality and nutrient absorption，in order to provide the optimized fertilization for the main banana growing areas in Leizhou Peninsula，Guangdong province.Results showed that the plant height，pseudostem circumference，and the length of leaf Ⅲ of the treatments with reduced & optimized fertilization(HH and HQ)were superior to that of the traditional farmers practices(FP).Compared with FP，the yields of treatments of HH and HQ were increased by 9.3% and 8.4%，respectively.And the utilization rate of fertilizer in HH and HQ was significantly improved.The N，P2O5 and K2O use efficiencies were increased by 3.06%~10.39%，1.86%~5.14%，and 6.07%~18.98%，respectively.Under this experimental condition，optimization and reduction of fertilizer application could improve the quality of the banana fruit.Therefore，optimize fertilization should be recommended in tropical regions.