In consideration of the significance of soil-pile interaction (SPI) in the research of the theory of the rigid pile composite foundation, a summary is made on current researches on SPI at home and aboard.

• 摘要鉴于桩土相互作用研究在刚性桩复合地基理论研究中的意义，对国内外桩土相互作用研究现状进行了总结。