The simple learning environment on one screen and the intuitive search system with simple operation make it easy and fast to search the contents you want, so that you can solve your questions immediately. The meaning of each letter of the Chinese idiom is interpreted in Korean and English for wider learning. In addition, the order of writing strokes is connected by animation so that you can memorize the stroke order just by watching. When it comes to solving the idioms, the main screen can be checked directly, and the desired contents can be downloaded and shared with others.