A high-speed network round change-over connector is provided. The high-speed network round change-over connector includes a pin insulator assembly (1), a miniUSB module (2), a connecting nut (3), a shell (4), a protective cover assembly (5) and a doubling-up clamp spring (6), wherein the pin insulator assembly (1) and the miniUSB module (2) are both arranged inside the shell (4); the miniUSB module (2) is in clearance local potting with the shell (4); a pin (7) of the pin insulator assembly (1) is connected with a circuit board (8) of the miniUSB module (2) through welding; the connecting nut (3) is connected with the shell (4) through the doubling-up clamp spring (6); and the shell (4) is connected with the protective cover assembly (5) through a screw thread. The high-speed network round change-over connector is advantageous in novel structure design, operational simplicity and convenience, fast and stable signal transmission, low production cost and great economic value and social value, and mainly enables circuit connection and signal transmission effects.