The present invention relates to a detachable connection port and an electronic device having the same. The detachable connection port is detachably assembled at an electronic device, which includes a board-to-board connector. The detachable connector includes a sub circuit board and a socket connector. The sub circuit board includes a golden finger. The socket connector is fixed at and electrically connected to the sub circuit board, and includes an installation portion. The socket connector is installed at the electronic device through the installation portion, and is electrically connected to the board-to-board connector through the golden finger. Thus, the detachable connection port achieves an advantage of easy replacement, further reducing repair costs and standby time for a user.