By Doppler weather radar and satellite cloud data,the Meiyu front rainstorm which occurred in the north of Huaihe River and the north region of Yangtze-Huaihe was analyzed during July 1-2,2006.The characteristics of infrared satellite cloud,radar basic reflectivity and Doppler radial velocity were discussed in this rainstorm,such as the echo intensity,the characteristics of velocity field and so on.The reasons for this rainstorm were analyzed by these characteristics.The combination of radar and satellite data in the role of forecasting Meiyu front rainstorm was studied.