Abstract: Application effects of phosphate rock and organic fertilizer composted with pig manure were investigated by planting Brassica chinensis in plots.The results showed that the phosphate rock and organic fertilizer composted with pig manure had significantly better efficiency on Brassica chinensis seedlings planted in purple soil than the single application of phosphate rock or organic fertilizer composted with pig manure or than the control.The phosphate rock or organic fertilizer composted with pig manure showed a positive interaction effect,which indicated that application of them had better effects than single application.