The Tibetan ink is a square, one side of the relief Youlin Yaju map, rich in content, not chaotic; The other side embossed flowers, luxuriant foliage, in the middle of the box book "call qing call son is a lot of things." The left side has "Ancient Huaxuan hidden ink", the right side is "Qianlong year". The ink decoration is exquisite, elegant and luxurious, and the shape is regular. Established in 1981, it has been aged for nearly half a century, and it is extremely well preserved, which is not easy.