Abstract: ‘A factory, a product, one case’ supervision mode is general administration of quality inspection announced in 2012, and is carried out in exports of feed industry. Based on the exports of feed industry of Shenzhen Guangming District, the difference between this mode and traditional mode was explored from the comparative analysis of factory and supervision department. By comparison, the ‘A factory, a product, one case’ supervision mode has significant advantages in aspects of scientific supervision, pertinence and effectiveness, save the corporate and regulatory resources, and so on.