Smart factories have been found to enhance the productivity of the overall production process, proving to be an appropriate policy as a key strategy for domestic manufacturing innovation. However, to maintain its effectiveness even when the scale and recipients of policy support are expanded, there should be improvements in the policy details and action plans. Above all, making factories smart requires not only the adoption of relevant technologies, but also proper management practices and organizational operations necessary to utilize the new technologies. The government should place the policy priority on helping firms to align workers' incentives with the technological change. It is also necessary to smartize the governance system of the overall manufacturing innovation strategy which include smart factories.