Abstract: 【Objective】 To study the effect of decreasing the amount of organic fertilizer and drip irrigation fertilizer on the growth and development of grape and fruit quality. 【Methods】 7 years age Xiahei grapes were taken as test materials, and five treatments were set: three years in a row without fertilization (CK), three consecutive years fertilization of chemical fertilizer (T₀), organic fertilizer + one reduction year fertilizer (T₁), organic fertilizer + two years reduction years (T₂), organic fertilizers + three years reduction chemical fertilizer (T₃). The effects of increasing organic fertilizer and decreasing the amount of chemical fertilizer on drip application was studied by continuous 3a positioning experiment. 【Results】 The experimental results showed that the longitudinal and transverse diameters of Xiahei grape fruits in the two rapid expansion periods (15-22 d and 36-43 d after flowering) under T₂ treatment were the largest, and the single fruit weight, single spike weight and yield were 14.6%, 4.8% and 4.7% higher than that of T₀, respectively, followed by T₃.During the expansion period, net photosynthetic rate, stomatal conductance and transpiration rate of grape leaves under T₂ treatment were significantly higher than that of T₀, which accelerated the accumulation of photosynthetic products. For grape fruit coloring and fruit quality, anthocyanin content in grape skins under T₂ treatment was 22.0% higher than that of T₀, accelerated chlorophyll decomposition and promoted fruit coloring, followed by T₃. The soluble solids, saccharin acid ratio, sugar content, vitamin C and total phenol of fruits were significantly increased under T₂ treatment. 【Conclusion】 The organic fertilizer and the drop fertilizer have obvious positive effects on the growth and quality of grape.