The embodiment of the application provides a connecting lock and a display screen, the connecting lock is suitable for a frame of the display screen, the frame of the display screen comprises a plurality of supports connected with each other, the display screen is arranged on the supports, and the supports are provided with mounting positions; the connecting lock comprises: a lock body arranged on a first mounting position of a first support; a lock block arranged on a second mounting position of a second support; a lock catch connected to the lock body, a
handle arranged on the lock body, the
handle being in driving connection with the lock catch, and the
handle being capable of driving the lock catch to be connected with or separated from the lock block; and the handle is capable of rotating relative to the lock body to be accommodated into the mounting position of the first support. In the technical scheme of the application, the connecting lock has a simple structure and is convenient for users to operate, in addition, the handle can be rotated and accommodated into the mounting position on the corresponding support after use, so that the connecting lock is effectively prevented from protruding relative to the support, the
transmittance of the transmissive display screen is not affected, and the transmissive display screen has a better visual effect.