The invention discloses a security monitoring device having a face recognition function, comprising a camera, wherein one end of the camera is rotatably connected with a first telescopic device, one end of the first telescopic device, which is far away from the camera, is fixed on a wall, the end of the camera, which is close to the first telescopic device, is also provided with a power line, oneend of the power line, which is far away from the camera, is connected with a power supply device, one end of the camera is provided with a placement slot, the bottom of the placement slot is providedwith a second telescopic device, one end of the second telescopic device, which is far away from the bottom of the placement slot, is provided with a light supplement lamp, the camera is rotatably connected with a rotating shaft, a connecting tube sleeves the rotating shaft and is fixed on the camera, and a spiral spring plate is fixed on the rotating shaft. The security monitoring device of theinvention has the beneficial effects that: the security monitoring device is simple in structure and convenient in use; in addition, a shooting angle can be controlled, thereby facilitating shooting at night; and moreover, quick movement can not lead to unclear pictures, thereby improving accuracy.