The Wenchuan M8. 0 Great Earthquake in 2008 had caused enormous damage to buildings. Of all the damages, rural buildings were the most vulnerable and suffered extensive damage. In this paper, based on investigation, the damage on the brick-concrete buildings in rural area are summarized from topography, foundation and construction, the causes of severe earthquake damages on this buildings are analyzed and problems for the building construction are singled out. In the end, some suggestions for improving seismic safety of rural buildings are proposed.