The utility model discloses a fixed enclosed high-voltage switch cabinet using a XGN34-12Q box type. The high-voltage switch cabinet comprises a cabinet body on which a box door is disposed. The inner cavity of the cabinet body is divided into three box chambers by two separating plates. An isolating switch and a bus which are mutually connected are mounted in a top box chamber. A breaker and a current transformer which are mutually connected are mounted in a middle box chamber. The breaker is connected with the isolating switch. A primary cable and an electrified display are mounted in a bottom box chamber. The primary cable is connected with the electrified display and the current transformer. The high-voltage switch cabinet uses a building block all-purpose assembled metal enclosed box structure. And the box chambers are separated by metal steel plates. The top box chamber is a bus chamber. Three phase buses are arranged longitudinally from front to back in order to achieve a compact structure. The middle box chamber box is equipped with the breaker in order to achieve easy debugging and maintenance. The bottom box chamber is equipped with the primary cable and the electrified display in order to facilitate observation and maintenance.