"Little Sun" book APP belongs to an augmented reality electronic reading software, which uses the combination of the effect of touching the pronunciation of real book APP and the tactile sensation generated by hand touching braille to make the effect of touching braille to generate voice response. The software is divided into two parts, one is the voice of love. If you touch the corresponding position of the real book with your hand, app will make a sound to translate it. The second mode is the popularization of knowledge, App will show a lot of meaningful things in life.