There are less precipitaion, higher temperature and more high temperature days than normal all over China in summer 2011. Meanwhile, stage and regional drought and flood disasters occur and their transformations are quickly. The loss caused by typhoon is lighter, because the typhoon strength of landing China is weaker than normal in 2011. Based on analysis of causes for the weather and climate anomaly characters in summer 2011, the summer climate prediction in 2011 is reviewed. In general, the prediction catched the main characters mentioned above, but the forecast of precipitation over the middle and lower reaches of the Yangtze River is underestimated.