Nowadays, physical inactivity has become a global problem. According to the research, about 5.3 million deaths all over the world in 2008 could be attributed to inactivity [1]. However, it is enough to do a little exercise every day to reduce the risk of premature deaths by as much as 30 percent. Due to the increasing working pressure, people do not have enough time to go to gym and do exercises, which means that the design of multi-functional fitness chair is necessary so that people can do exercise at home at any time.There have already been many similar household fitness products in the market, but most of them take up large space and the training part is very simple. In comparison, the multi-function fitness chair designed in this thesis combines several fitness equipment together in one chair, so it would save a lot of space, and yet provides possibility to perform versatile exercise.The product was designed in Autodesk Inventor 2015, and finite element analysis was performed in Inventor 2015 and for checking the strength and safety of the design.