In order to cope with the shortage of technical personnel, the development of modern vocational education has become a major strategy. Based on schoolenterprise integration, modern apprenticeship is an important part of vocational education system. According to teaching practice and the theory of knowledge dissemination, this paper divides the process of vocational technology dissemination into five stages: theoretical learning, attention, retention, reproduction and motivation. With the theoretical analysis, business interview, and induction, the influencing factors of technology dissemination are summarized into six levels: disseminator, learners, knowledge characteristics, communication media, organizational environment, and external environment. The conclusion extends the theory of knowledge dissemination, and provides theoretical basis and practical guidance for the training of skilled talents, and for exploring the reform of modern apprenticeship.