Abstract: As the backbone of the enterprise, middle managers shoulder the dual roles of leaders and subordinates in the enterprise organization and play the role of communication bridge between all levels of the enterprise. Most middle managers grow up from the grass roots, and they have good professional skills. At the same time, they are also the reserve force of senior managers in enterprises, and they need to master higher leadership and management skills. The change of middle managers' management ideas, the improvement of management skills and the supplement and renewal of management knowledge are related to the survival and development of enterprises. Improving the management ability of middle managers through training is the most ideal, cheapest and effective way for enterprises to obtain higher production efficiency and competitive advantage.