With the 4.0 revolution, everything is connected to the internet, information explodes, so the process of transferring knowledge and experience between people and people also needs to change accordingly. The advent and development of smart devices makes people enjoy the benefits of the Internet era, which helps to receive knowledge faster, shortening the distance. Then, what is the role of the teacher in the process of transferring knowledge and experience? 

In Industry 4.0, people talk about workers with disciplined habits and liberal thinking. So, what should education and training activities do to meet that requirement? From the point of view of modern education: Educational activities include four elements: family education, school education, social education and individual self-education. Here, the lecturer needs to help the students see how the 4.0 Industrial Revolution affects each of those factors in order to see the role of each factor in educational activities.

In the new era, education aims at the perfection of each individual. Therefore, a teacher is someone who leads, directs, and transmits to the next generation all that is possible so that they can develop more and more perfect.

On the other hand, the educational process not only takes place in the family or school, but social education is also very important. Those are the insights from social reality brought to learners. It can be through many forms such as: through experiences, reality... providing learners with the most authentic understanding. 

In particular, the role of each individual's self-education is particularly focused, considered as a direct determining factor. Accordingly, learners must be the ones to access knowledge by themselves under the guidance and guidance of parents and teachers because of the era of information explosion, everything connected to the internet that the teacher's knowledge imparted to others. learning is limited and that knowledge will also quickly become obsolete, so what learners need to learn is how to access knowledge and filter information; On the other hand, learners also have to cultivate themselves the necessary skills to adapt to the needs of society.