Recessed lamp

The utility model discloses a recessed lamp which comprises a light source assembly, a mounting base, at least one clamping arm and at least one clamping arm adjusting mechanism. The light source assembly comprises a lamp holder ring and a light source module used for emitting light, the lamp holder ring is provided with a through first light hole, the light source module is located above the first light hole, the lamp holder ring is provided with a rotating shaft with the axis horizontally distributed, and the light source module is rotationally connected with the rotating shaft through a supporting arm. The mounting base comprises a fixing ring and a flange edge located at the lower end of the fixing ring, the fixing ring is provided with a second light hole allowing the light source assembly to vertically penetrate through, and the outer circumferential wall of the lamp holder ring is rotationally connected with the inner circumferential wall of the fixing ring through a detachable clamping structure; the