Ferula, late spring and early summer bloom to the first fruit can be harvested, but to the full bloom of the harvest is better. Cut diagonally from the upper part of the stem downwards, collect the oozing milky resin, and dry it in the shade. The product is in the form of irregular lumps and cream. color varies, surface wax yellow to brown-yellow. The lump is light, the texture is like wax, the cross-section is slightly porous; the fresh cut surface is lighter in color, after placing the color gradually darker. The creamy ones are sticky and grayish-white.

Ferula, Chinese medicine, resin of Xinjiang ferula or Fukang ferula of the family Umbelliferae. It has a strong and persistent garlic-like odor, pungent taste, and burning sensation when chewed. Born on the Gobi Desert and barren mountains, distributed in Xinjiang.