In 2014，more than 110 billion US MYM was lost due to natural catastrophes globally. In the March of 2015，3rd World Conference on Disaster Risk Reduction held in Sendai，Japan released “Sendai Framework for Disaster Risk Reduction 2015-2030”. One of the four priority activities in the Framework call for members of Unite Nation to invest in Disaster risk reduction for building resilience society. In order to response of the Sendai Framework，World Meteorological Organization（WMO）has developed a roadmap for disaster risk reduction，which will be used to carry out activities and projects utilizing existing WMO mechanisms，to guide the members of WMO to enhance the early warnings service，and to realize a Unite Nation DRR vision. Early warning system as an effective methods to reduce disaster risk frequently uses in meteorological and hydrological departments at national and regional levels. Early warning services has experienced a process from the traditional weather forecast to risk warning based on the impacts starting from earlier 1960s. As one of the countries with serious losses caused by meteorological disasters in the world，China has preliminary established impact and risk based disaster early warning services since 2011.A good practice for disaster risk reduction in China Meteorological Administration（CMA）is demonstrated by using impact and risk based early warning services including the meteorological disaster risk assessment，information release，emergency response，reconstruction.