We selected 12 administrative villages of the Autonomous County of Dongxiang Nationality as the investigate points to investigate and analyze the structure type,building materials and construction age of the rural houses in the county.Based on the results of field survey,combined with the principal forms of the rural houses damages in previous earthquakes,we analyzed the main reasons for the damage of the rural houses.Moreover,according to the Earthquake Resistant Design Code (GB50011-2010) and the Specification for Seismic Design of Building in Gansu Province (DB62/T25-3055-2011),in light of the actual situation,we put forward the specific technical measures on seismic fortification of rural houses with different types.The results have universality sense on which to prevent and reduce the damage of the rural houses in the minority mountain areas.