The continuous progress of science and technology and medical care, while the successful aging of physical, mental and socialization, is still a major issue. Avoiding disability, what the individual can do is to have a good living habits, including: exercise, diet management, smoking cessation and alcohol restriction. After discovering that resistance exercise is a market to be developed in Taiwan, this paper targets middle-aged people as the target customer group. Through two stages of interviews, we confirm the needs of the target group in resistance exercise, verify the self-designed device, and learn the feasibility of resistance exercise through the video. In the process of interviewing and testing, the process of starting the resistance exercise of this group is outlined, either through soreness or through peer circles.