The pile foundation is widely used in construction engineering, which makes it an inevitable trend to consider the horizontal bearing capacity of pile foundation. In some projects, horizontal load has become the main control factor of pile foundation design. Under the action of vertical load, the study of the bearing capacity of the pile foundation, the analysis of the pile foundation under the horizontal load is relatively backward, In addition, the field horizontal load test of pile foundation is limited because of its high cost and complex operation. Therefore, it has certain theoretical significance and practical value to apply the numerical simulation to the analysis of the internal force and deformation of the pile and the soil. In order to improve the bearing capacity and deformation capacity of single pile foundation, this research is based on the research results of the past 20 years, and by reading a large number of references and relevant information to study one kind, simple, accord with the requirements of the special environment of the city, is the single pile foundation beam.