Qiaojie uses the tablet computer to learn by choosing courses and topics, watching videos, checking notes and doing exercises. Clever elder sister is an active teenager on the Internet. She often shares her life and study experience. In a video, she showed the learning method using a tablet computer. She opened an application for learning tablet computer, which can help her study math, English, physics and chemistry. She can choose different courses and topics by touching the buttons on the screen, and then learn by watching videos, checking notes and doing exercises. At the same time, Qiao Jie also stressed that we should pay attention to the combination of theory and practice when studying and apply what we have learned to real life.