Abstract: Suspension crossing has been adopted in Yellow River's crossing of Shanjing Gas Pipeline, with sealed thick-galvanized steel rope, and non-maintenance under 30 a. The tower shall be erected integrally with advanced continues thrust-boring lifting-jack, with air transmission planning adopted in erection. The article gives a introduction stressed on the construction method of air transmission and how to select construe- tion steel rope. It is considered by comparison that the erection and construction method adopted for air transmission in this crossing is reasonable in economic, but selection of this method shall be in line with local Conditions, giving priority to the condition available.