The invention relates to an automatic assembling machine of a double-row eight-pin connector. The automatic assembling machine comprises a frame, a control box and a feeding track arranged on the frame; a first pin plugging device, a second pin plugging device, a plastic member feeding device, a first bending device, a second bending device, a first sheet plugging device, a second sheet plugging device and a detection device are sequentially arranged above the feeding track along a conveying direction; the first pin plugging device and the second pin plugging device are connected with pin feeding discs respectively; the plastic member feeding device is connected with a plastic member vibrating disc; the first sheet plugging device and the second sheet plugging device are both connected with an elastic sheet vibrating disc; and the entrance end of the feeding track is provided with a CCD detecting head; and the tail end of the feeding track is provided with a detection device. With theautomatic assembling machine of the double-row eight-pin connector of the invention adopted, the components of the connector can be automatically assembled into the double-row eight-pin connector, thequantity of work can be reduced, the quality of products can be stable, the conduction performance of the products can be automatically detected at the same time, and the pass rate of the products can be effectively improved. The automatic assembling machine has the advantages of high automation degree and high assembly efficiency.