Abstract: At present, nailing walls, which have short service life, are usually used for foundation pit supporting and the temporary protection. If people make the soil nailing an intersection in the soil nail gun, they can set the beam and upstand like the lattice anchor rod retaining wall as well as the lattice soil nailing retaining wall. This paper introduces the method of calcu lating, the construction management and the requirements of construction of soil nailing used for permanent retaining wall through a practical project. It can be served as reference for the designers of such structures.