Door stop lever with warning function

The invention discloses a door stop lever with a warning function. The door stop lever provides an auxiliary anti-theft function for a door lock arranged on a door plate, and comprises a clamping seat and an early warning device, wherein the clamping seat is provided with a containing groove, an assembling section and a door clamping part, the assembling section and the door clamping part are located on the two opposite sides, the assembling section is combined with one end of a stop lever, the door clamping part is provided with a clamping opening, and the clamping opening abuts against the door lock in a clamping mode; and the early warning device is arranged in the containing groove and comprises a control circuit, a power supply piece, a buzzer and a vibration detection piece which are electrically connected. The control circuit induces vibration of the door lock at the vibration detection piece to control the buzzer to give an alarm signal sound so as to warn indoor personnel to respond to countering, al