Mounting is a unique skill to decorate calligraphy and painting, rubbings and so on. In ancient times, the name of mounting was called "mounting back and mounting surface", also called "mounting" and "mounting pool". According to Fang Yizhi's Tong Ya Qi in the Ming Dynasty, the "yellow" is still a pool, and the outer edge is inside the pool; Make it into a book called "decoration". The history of China's calligraphy and painting is a special skill to protect and beautify calligraphy and painting and inscriptions. Cover the back of painting and calligraphy with paper first, then decorate the top and bottom of the front with silk or paper, and finally install the shaft.