【 Objective】The discontinuity of natural rainfall makes the influence of successive rainfalls on soil erosion different from that of single rainfall on slope erosion. Under the condition of not disturbing the slope after rainfall, the soil erosion characteristics of different soil and rock mosaic slopes in karst area under conditions of successive rainfalls were explored.【 Method】 Using the method of artificial rainfall simulation, the soil erosion characteristics of three types of soil and rock mosaic slopes(i.e., FE, rock fully embedded in the soil layer, not exposed to the surface; PE, rock partly embedded in the soil layer, exposed to the surface; RC, rock not embedded in the soil layer, covering the surface)were studied under four rainfall conditions(24 h interval). The test slope was 25°, and the rainfall intensity was 50 mm·h^–1. The rainfall lasted for 90 min. 【 Result】 Results showed that(1)with the increase of rainfall events, the surface runoff of FE, PE and RC increased, while the interflow and the underground runoff increased first and then decreased. In the first two rainfall scenarios, the surface runoff of three types of soil rock mosaic slope had no obvious regularity, but in the last two rainfall, the surface runoff was PE > FE > RC; (2)with the increase of rainfall events, the FE, PE and RC surface sediment yield increased. In addition to the first rainfall, the surface sediment yield in the last three rainfalls was PE > FE > RC. Also, the sediment yield of PE surface was 1.04-4.82 times that of the FE and RC surfaces, respectively; (3)with an increase of rainfall events, under the influence of early rainfall, the soil moisture content increased, and the runoff time of surface runoff and interflow in subsequent events was advanced by 5-16 min. 【Conclusion】Under successive rainfalls, the rock embedding in the soil has the effect of increasing the surface runoff and sediment yield. These results provide a scientific basis for further understanding the response of soil and water loss process to climate change on karst rocky desertification slope.