: The Development of Micro, Small and Medium Enterprises through the Facility of External and Potential Internal . Internal development of the business group "Emping Jagung" in increasing the potential and progress in improving its business with an initial capital by using their own savings, to innovate their products, expanding the marketing network, and complement its infrastructure. In addition, the facility from external Cooperatives and SMEs in Malang have assisted in the development of SMEs for Emping Jagung such as by giving SMEs access to capital resources, conduct coaching and training, product promotion activities, expand product marketing, as well as providing facilities and infrastructure. But the results have not been uniformly known and some employers are constrained by rising raw material prices, the limited ability of human resources, has a problem in the capital, lack of infrastructure and lack of access to product marketing. Suggestions in this study include: (a) employers of Corn Chip in Pandanwangi Village need to hone their potential by utilizing the facilities provided by the government, (b) the need for equitable and open dissemination of information as possible for Emping Jagung employers toward the program run by the Department of Cooperatives and SMEs Malang, (c) the need to improve coaching and training as well as providing marketing network for SMEs entrepreneurs, (d) the government needs to facilitate access to capital as well as the need to improve infrastructure and facilities such as the use of clinic facilities for SMEs, and (e ) need to update the number of SMEs that exist in the entire city of Malang to facilitate the training.