The overall shape of this shelf is flexible and versatile, which can vary according to the needs of users. The size, height and shape of the shelf are also aligned with the space size and functions. It can be combined into shelf, tea table, flower table, edge table and bookshelf, practically multi- functional. And the installation process is very simple. The assembly can be done by hand without tools. Flat packaging greatly reduces the cost of product transportation. Through the presentation of daily household products, the mortise and tenon culture is well conveyed to the public.