Packaging box for U-shaped energy-saving lamp

The utility model relates to a packaging box for a U-shaped energy-saving lamp. The packaging box comprises a box body (1), and is characterized in a clamping piece (2) is arranged in the box body (1); and a fastener (2) which is folded and is inserted into a gap in the middle of an energy-saving lamp tube (31). The packaging box has the beneficial effects that aiming to the improvement of the conventional packaging box, the clamping piece is arranged in the box body; the folded fastener is arranged on the clamping piece and penetrates through the gap in the middle of the U-shaped energy-saving lamp tube; and the length of the clamping piece equals to that of the box body, so that the energy-saving lamp tube in the packaging box can be stably placed to prevent the energy-saving lamp tube from being broken in the carrying process; and therefore, the clamping piece is easily taken; and the packaging box is simple in manufacturing and is low in cost.