2, licorice. Lao Guo, sweet grass, Ural licorice, sweet root. Leguminosae and Glycyrrhiza are perennial herbs with strong roots and rhizomes, which are nourishing Chinese herbal medicines. A very good medicine for human body, the medicinal parts are roots and rhizomes. The medicinal root is cylindrical, with a length of 25 ~ 100 cm and a diameter of 0.6 ~ 3.5 cm. The skin is elastic and the surface is reddish brown or grayish brown.
3. Helan Stone, also known as Auspicious Stone and Bizi Stone, is the first of the five treasures in Ningxia. Helan stone is famous all over the world and is known as the "blue treasure" of Ningxia. Helan stone is produced on a cliff about 2600 meters from Helan Mountain in Ningxia. It is an "elf" formed by nature after hundreds of millions of years of tempering. Helan stone was formed1300 million years ago due to crustal changes and sediment deposition, and belongs to water rock. The texture is even and delicate, elegant and moist, blue and purple, naturally staggered, rigid and soft, and the sound of knocking.