The invention provides a product detection device which is used for detecting the quality of a plurality of products to be detected. The product detection device is characterized by comprising a machine body, a detection part and a control part, wherein the machine body comprises a tray frame which is provided with at least two rows of leakage holes, a transmission unit used for driving the tray frame, opening-closing type trays which correspond to the leakage holes one by one and are used for containing products to be detected, and recovery frames corresponding to the tray frames; the detection part is arranged above the tray frame, and is used for detecting the products to be detected to obtain the detection results; and the control part is used for controlling the opening and closing of the opening-closing trays according to the detection results, and controlling the detection part to detect the products to be detected by rows, when the detection results corresponding to the products to be detected show that the products to be detected are not qualified, the control part controls the opening-closing type trays corresponding to the unqualified products to be opened, and the recovery frames are used for recycling the unqualified products.