Abstract: Through single factor test phosphorus fertilization experiment, effects of different phosphate fertilizer on the growth and yield of celery,Interaction effects and in the local soil,water quality conditions of maximum fertilizer utilization ratio, optimization of nitrogen phosphorus and potassium application rate ratio,Experimental results show that,in each of the 667 square metres of applying N 40kg,20kg pure K is constant, , with 667 square metres of phosphorus fertilizer 10-15kg, increase production effect is the best.