Wormwood and mugwort are the same thing. Artemisia argyi and Artemisia argyi are both Diptera plants in Compositae. They are the same, but they are called differently. The main root of wormwood is obvious, slightly thick and long, with many lateral roots, and the underground rhizome is lying horizontally; The stems are solitary or few, and the plants are fragrant; Leaves grayish white pubescent, with white glandular spots and small pits; The head is elliptic, sessile or subsessile. Achenes oblong or oblong. Widely distributed in China, Russian, Mongolian, Korean and Japanese. Mostly born in wasteland, roadside and hillside in low to medium altitude areas. There are many plants of the same genus in the wild, which look very similar. People often confuse mugwort, southern mugwort, wild mugwort and central Asian mugwort, so they are also collectively called "mugwort".