Netflix is an online video streaming service. The main content is film and television programs, viral in many other countries around the world. Netflix offers superior video quality, full copyright protection. Moreover, it is used on smart devices such as smartphones, tablets, smart TVs is very convenient for everyone. Also, Netflix has a system that recommends movies based on the user’s movie history. This is very convenient for users because it does not have to search, but the system will analyse and recommend the same film, suitable for users. An intelligent device, users can enjoy digital content from it easily. In particular, in the context of the lack of 4K content on 4K television. NetFlix’s support for 4K video has become a very prominent and desirable advantage.