Aiming at the serious problem of water and soil loss of the yellow fluvo-aquic soil in the Huaibei Plain, in order to reveal the law of runoff and sediment yield,the large artificial simulated rainfall runoff test field of Wudaogou Hydrological Experimental Station was used to carry out three rain intensity of 40, 60, 80 mm/h and threeslope gradients of 5°, 10°, 15° runoff and sediment production simulation.The results showed that the initial runoff time of the slope is shortened with the increase of slope and rain intensity.It is less obvious with the increase of rain intensity and slope.The turning point of the runoff and sediment yield per unit time with the change of rainfall time is 6~15 min after the runoff.The change of production flow per unit time with the change of rainfall time showed a rapid increase in the early stage, a slow increase in the medium term, and a stable period in the later period.The 40, 60 mm/h rain intensity per unit time flow rate decreased with the increase of the slope, however, the rain intensity increased with the increase of slope with 80 mm/h. The sediment yield per unit time increased with the increase of rain intensity and slope.The cumulative sediment yield and yield of different slopes showed a power or linear function with the change of rainfall time (R²>0.99). The effects of slope and rainfall intensity on runoff and total sediment yield were multivariate linear and multivariate power functionsrelationship.