An LED strip light for cabinet lighting, comprising: a strip-shaped lamp holder, and a light-emitting module provided in the strip-shaped lamp holder, the strip-shaped lamp holder comprising a first mounting surface and a second mounting surface which are adjacent and perpendicular to each other and two light source slots respectively set at the free ends of the first and second mounting surfaces to install the light-emitting module, the angle between the light source mounting surface formed by the two light source slots and the first mounting surface being an acute angle between 30 and 40 degrees, two mounting grooves (111; 121) being respectively provided on the first mounting surface and the second mounting surface along the extending direction thereof, and one of the mounting grooves being a U-shaped groove and another being a V-shaped groove, characterized in that said LED strip light further comprises at least one laminar mounting clip provided on the mounting groove, the laminar mounting clip comprises a laminar U-shaped groove engaging portion and a laminar V-shaped groove engaging portion, a laminar mounting abutment plate connecting with the laminar U-shaped groove engaging portion and the laminar V-shaped groove engaging portion, a laminar connecting portion connecting with the laminar V-shaped groove engaging portion, and the laminar mounting abutment plate, the laminar U-shaped groove engaging portion comprises a laminar transition portion vertical to the laminar mounting abutment plate, and an L-shaped structure connecting with the laminar transition portion, one side of the L-shaped structure is connected to the laminar transition portion and the other is clamped into the U-shaped groove, the laminar V-shaped groove engaging portion comprises a laminar engaging edge connecting with the laminar connecting portion, the angle between the laminar engaging edge and the laminar connecting portion is less than or equal to 90 degrees, the laminar engaging edge is clamped into the V-shaped groove, the laminar mounting abutment plate is coupled to the first mounting surface of the strip-shaped lamp holder and a laminar spring extending toward the first mounting surface and abuts against the first mounting surface, the laminar connecting portion is coupled to the second mounting surface of the strip-shaped lamp holder. a strip-shaped lamp holder, and a light-emitting module provided in the strip-shaped lamp holder, the strip-shaped lamp holder comprising a first mounting surface and a second mounting surface which are adjacent and perpendicular to each other and two light source slots respectively set at the free ends of the first and second mounting surfaces to install the light-emitting module, the angle between the light source mounting surface formed by the two light source slots and the first mounting surface being an acute angle between 30 and 40 degrees, two mounting grooves (111; 121) being respectively provided on the first mounting surface and the second mounting surface along the extending direction thereof, and one of the mounting grooves being a U-shaped groove and another being a V-shaped groove, characterized in that said LED strip light further comprises at least one laminar mounting clip provided on the mounting groove, the laminar mounting clip comprises a laminar U-shaped groove engaging portion and a laminar V-shaped groove engaging portion, a laminar mounting abutment plate connecting with the laminar U-shaped groove engaging portion and the laminar V-shaped groove engaging portion, a laminar connecting portion connecting with the laminar V-shaped groove engaging portion, and the laminar mounting abutment plate,