Abstract: The 3-D model is founded by finite element method for elevated pile cap, which consists of sheet piles in first row and square piles in second row. The influent factors of displacement on top of pile and flexure moment of pile is analyzed, such as the change of soil resistance coefficient, pile length, pile's length in ground, pile diameter etc. The result shows that the pile's flexural rigidity increases and the horizontal displacement reduces by increasing the pile's section area. It is effective for the readjusting of flexure moment in piles between two rows by increasing of flexural rigidity of square piles in second row, because it is more reliable and uniform for moment distribution of the elevated pile cap.