An outdoor garden lamp includes a left mounting base and a right mounting base movably connected by a vertically disposed rotating shaft, and control circuits respectively provided in the left mounting base and the right mounting base. Each of the left mounting base and the right mounting base is connected to a lamp body through a movable shaft; each movable shaft is movably connected with the left mounting base or the right mounting base; each movable shaft is rotatable about an axis thereof; each lamp body is movably connected to the movable shaft corresponding thereto; a bottom of the rotating shaft is connected with a human body sensor through a movably connected transverse rotating body and a movably connected vertical rotating body; and the human body sensor is connected to the control circuits.