Since 1979, in accordance with the design program given by the author, no more than ) storied buildings with an areas of more than 200,000 square metres have been built in the expansive soil area of Guangxi Zhuang Autonomous Region and Guangdong Province in South China. The different measures have been adopted according to specification of light, medium and heavy expansive soil. Through the test of special weather and the deformation observation for 3 to 7 years, it has been proved that the intact rate of the buildings has reached 90-98 percent. This paper mainly expounds three cases and has summed up very effective treatment methods from the practice
