The utility model relates to a switching station with line case is walked to SMC cable, including cement shell, cubical switchboard PT interval, cubical switchboard be qualified for the next round ofcompetitions interval and manhole, support of installation in the cement shell of manhole top, the top installation load switch cabinet of this support still installs a SMC cable and walks the line case on the roof of support, and this SMC cable is walked line cargo position and is qualified for the next round of competitions between the interval in load switch cabinet and cubical switchboard. Theutility model relates to a reasonable in design, simple structure, can improve the switching station with line case is walked to SMC cable who transforms the efficiency of construction and reduce construction cost, the security of using this structural design both can improve equipment to use, guarantee staff's personal safety can avoid again that the cable is in disorder in the switching stationputs to guaranteed neat pleasing to the eye in the switching station, also provided convenience for staff's the later stage work of examining and repairing.