This paper is defined as a qualitative study and mainly uses a survey, interview and previous reports and papers as methodology. We research which functions in the Smart TV that are widely used and what functions of the Smart TV do people need, and if people accept the design of the functions in the Smart TV.Through the investigation we got three conclusions: firstly, we have discovered the top four popular functions of Smart TV based on the questionnaire, secondly, the precautions the developers should pay attention to when they design the product, lastly we have said that people do not accept these intelligent functions in the Smart TV, and after the study we give the future direction andsuggestion for how to make well designed functions for the Smart TV.