A field study of soil nutrient loss was conducted in red soil on sloping surface by using rainfall simulator. The results showed that soil nutrients were transported mainly with sediment in runoff in high rainfall intensities. In low rainfall intensities, nutrients lost in soluble form had high percentage with runoff water. Nitrogen, phosphorus and potassium lost in soluble form account for 53.21%, 23.1%, 21.5% of the total nutrient lost in sediment respectively. Nutrient enrichment occurred in both sediment and soluble form, but the enrichment ratio was different. The amount of lost nutrients were correlated positively with rainfall intensities and lost sediment.