Elearning is a new concept in the education industry, which refers to the way to realize online learning through the Internet and electronic technology. The advantages of elearning are flexibility, convenience, learning anytime and anywhere, autonomous learning and low cost. Nowadays, more and more institutions, enterprises and schools begin to use elearning for online education and training, which also promotes the continuous development and improvement of elearning technology.

Digital learning has many applications in the field of education, such as digital processing of traditional teaching content, online course design, learning resource sharing, online examination, virtual experiment and so on. Compared with traditional teaching methods, elearning's learning method is more personalized, and different learning plans and course contents can be made according to students' characteristics and learning progress, which makes learning closer to individual needs and improves students' learning interest and enthusiasm.

Digital learning has been widely used not only in the field of education, but also in enterprises. Through e-learning, enterprises provide employees with learning of company policies and processes, training of products and services, technical guidance and management training. This method not only facilitates the information management and knowledge sharing within the enterprise, but also facilitates the online interaction and feedback between the enterprise and employees, and improves the training effect and work performance of employees.