During construction of the port engineering on the soft soil foundation,the loading of embankment has enormous influence on the construction time and structural safety of the lateral pile foundation of the approach bridge.Based on a fishing port engineering,we study the lateral displacement of soft soil foundation of loading embankment and the regression of follow-up tracing data of deep horizontal,and forecast the change law and trend of development of later horizontal displacement of the foundation with the loading of embankment.According the ANSYS three-dimensional modeling,we analyze the internal force and deformation of bored piles with the loading of the embankment,and determine the construction time of lateral bored piles foundation.The research result shows that the lateral deformation of soft soil is consistent with the deformation law of index function in the process of load;under the action of lateral deformation of the soft soil foundation lateral deformation,the effect on the lateral displacement of the bored piles is bigger than its internal force influence;when the soft soil occurs 150 mm maximum horizontal displacement in the upper,the safety degree of yield stress of the surface concrete of bored pile is still larger,and accordingly we may know the construction time of the lateral bored piles foundation of approach bridge.This research may serve as reference for the design and construction of similar projects.