Based on the analysis on advantages and disadvantages of underwater concrete pouring pile,this paper discussed the underwater con-crete pouring pile construction technology key points from the impact holing,reinforcement cage decentralization,concrete pouring and other as-pects,and proposed improvement recommendations for deficiencies in construction,so as to ensure the piling quality.%在分析水下混凝土灌注桩施工优缺点的基础上，从冲击成孔、钢筋笼下放、混凝土灌注等方面探讨了水下混凝土灌注桩施工技术的要点，并对施工中的不足之处提出了改进建议，以保证成桩的质量。
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