Display screen corner protecting mechanism and display screen

The invention relates to a display screen corner protecting mechanism. The display screen corner protecting mechanism is installed on a display screen. The display screen comprises a shell and a screen body, the screen body is installed on the shell, and an installing groove is concavely formed in the side, away from the display screen, of the corner of the shell; the display screen corner protecting mechanism comprises a baffle, a connecting rod, a spring and a corner protecting body, wherein the baffle is installed on the shell and used for blocking the installing groove, the connecting rod penetrates through the baffle and convexly stretches into the installing groove, the two ends of the spring abut against the baffle and the end of the connecting rod, one end of the corner protecting body is rotationally connected to the connecting rod, the other end of the corner protecting body stretches along the side wall of the shell and convexly stretches out of the side, away from the shell, of the screen body, an