The paper introduces the features,advantages and applied scopes in the high-pressure jet-grouting technique,illustrates its application in the municipal foundation pit construction from the anti-leakage construction,site inspection and construction checking,and points out the tech-nique has small seismic frequency and noise and it is easy to operate,so it has broader application.%介绍了高压喷桩技术的特征、优点及适用范围，从防渗墙施工、现场检测、施工检查等方面，阐述了高压喷桩技术在市政工程基坑施工中的应用，指出高压喷桩施工震动频率小、噪声小、操作方便，具有广阔的应用前景。
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