The video conferencing system includes a software video conferencing system and a hardware video conferencing system, which refers to individuals or groups of two or more different places, through various existing telecommunication communication transmission media, and the static and dynamic images, voices of the characters, Text, pictures and other data are distributed to each user's computer, so that geographically dispersed users can get together, exchange information through various means such as graphics and sound, and increase the mutual understanding of the content.

 At present, video conferencing is gradually developing towards multi-network collaboration, high-definition, and development.

As the most advanced communication technology, video conferencing can realize high-definition remote conference and office with the help of the Internet. It has unique advantages in continuously improving user communication efficiency, reducing the cost of travel expenses for enterprises, and improving management effectiveness. Partially replaced business travel, becoming the latest model of telecommuting. In recent years, the application scope of video conferencing has expanded rapidly, from government, public security, military, courts to science and technology, energy, medical care, education and other fields, covering all aspects of social life.