A buckle lock is applied to lock a device having a fastening portion and comprises a body, the body includes a locking mechanism and includes a fixing groove configured to retain with the fastening portion of the device. The body further includes a press rod configured to move toward a unlocking position of the fixing groove so as to allow the fastening portion to move out of the fixing groove, and the press rod is also configured to move toward a locking position of the fixing groove so as to stop a removal of the fastening portion from the fixing groove.