The invention discloses an intelligent factory personnel flow detection device and method thereof and relates to the technical field of intelligent factory personnel flow detection devices and detection methods thereof. The device and the method are used for solving the problem that existing intelligent factory personnel flow detection devices and detection methods thereof are not perfect in transfer and detection performance during detection. The method comprises the steps of 1, the side, which is provided with a bar code, of each to-be-detected product is manually placed upwards, the side, which is provided with a plurality of parts, of each to-be-detected product is manually placed downwards, and the to-be-detected products are placed in detection placing grooves in sequence; 2, a preliminary scanner can be used for scanning the portions of the parts at the lower end of each product; 3, staff sit at the two ends of a manual detection table and place the products on fixed soft cushions in product placing grooves, and by observing the appearances of the products with naked eyes, whether or not defects exist is determined; 4, secondary detection is performed; 5, qualified productsare boxed, wherein the products are prevented from being rubbed and collided with one another during boxing.