分析了深基坑工程的主要特点,从常用的支护类型、支护理论以及现有支护技术存在的问题等几个方面,介绍了我国深基坑支护技术的主要发展情况。 The main features of deep foundation pit engineering are analyzed. The main development of deep foundation pit support technology in China is introduced from several aspects such as the commonly used types of support, the theory of support and the existing problems of existing support technology.