As an electronic device develops, it has more and more strong function, in particular, many applications such video applications and web page applications are installed in both a cell phone and a tablet computer. In various applications, the electronic device needs to use different postures to achieve corresponding functions in a better manner. However, the electronic device in the prior art, such as the cell phone or the tablet computer, is in a bar form, and typically has a monotonous posture and thus it is difficult to meet the requirements for postures of various electronic devices in various applications.