✵The TCM herbalism is also known as pharmaceutics of Traditional Chinese Medicine, or Chinese pharmaceutics, is the branch of health science dealing with the preparation, dispensing, and proper utilization of Chinese herbs. It is majorly composed of Introduction of Chinese Medicinals, Classification of Chinese Herbs, Formulas, and Patent medicines.
Classifications of Herbs:Dispelling Internal Cold Herbs.
Introduction: Dispelling Internal Cold Herbs: also known as interior-warming herbs, an agent or substance herbs that warms the interior and expels internal cold, also known as cold-expelling herbs.
✵Till the date Oct 10th,2019, there are totally  kinds of common TCM herbs,  kinds of related plant species are recorded in this category. These Dispelling Internal Cold Herbs are briefly introduced separately:
Brief Introduction: The herb Folium Artemisiae Argyi is the dried leaf of Artemisia argyi Levl.et Vant.(family Compositae), used to warm the uterus and stop bleeding in cases of functional uterine bleeding, sterility, and dysmenorrhea. The herb is commonly known as Argy Wormwood Leaf, Ai Ye, Aiye, Argyi Leaf, Chinese mugwort leaf, Folium Artemisiae Argyi, Artemesia, ARTEMISIA ARGYI, Artemisia leaf, Artemisiae Argyi Folium, Chinese mugwort leaf, dried leaf of artemisia, or ài Yè.
✵Official herbal classics and other famous herbal classics defined the herb Folium Artemisiae Argyi(Argyi Leaf, Argyi Wormwood Leaf) as the dried leaf of (1). Artemisia argyi Levl.et Vant. It is a plant of the Artemisia Linn. Genus, the Asteraceae family, Campanulales order. This commonly used species is introduced as:
(1).Artemisia argyi Levl .et Vant.: It is commonly known as ài, or ài Yè. Perennial herbs or slightly subshrubby, plants strongly aromatic. Taproots conspicuous, slightly stout, up to 1.5 cm in diameter, lateral roots numerous; Often recumbent underground rhizome and vegetative branches. Stems solitary or few, 80~150~250 cm high, with distinct longitudinal ribs, brown or grayish-brown, base slightly woody, upper grassy, with a few short branches, branches 3~5 cm long. Stem, branch is covered with gray spider silk pilose. Leaf thick paper, above is gray-white pubescent, and have white glandular point and small concave point, the back is closely covered with gray-white spider silk dense villi; Basal leaves with long stalks, florescence fading; The lower leaves of the stem are nearly round or broadly ovate, pinnate and deeply lobed, with 2-3 lobes on each side, the lobes are elliptic or obovate-oblong, each lobe has 2~3 small lobed teeth, the main and lateral veins on the back of the stem are mostly dark brown or rust-colored, the petiole is 0.5~0.8 cm long. Middle lobe ovate, triangular-ovate or nearly rhomboid, 5~8 cm long, 4~7 cm wide, one (or two) back to pinnate torn to deep crack, each side has 2~3 lobes, lobes ovate, ovoid, lanceolate to lanceolate, 2.5~5 cm long, 1.5~2 cm wide, no longer divided or with 1 or 2 pieces of missing teeth on each side, leaf base broadly cuneate gradually narrow into short shank, veins, in the bulge on the back, when rusted, petiole 0.2~0.5 cm, base is usually without the leaf or with tiny leaf; Upper leaves and bracts pinnately cleft, lobed or 3-lobed, or do not divide, but elliptic, oblong-lanceolate, lanceolate or linear-lanceolate.
Inflorescence elliptic, 2.5~3.5 mm in diameter, sessile or subsessile, each several to more than 10 arranged in a small spike or compound spike on the branches, and usually again in a narrow, spikelike panicle on the stem, the flower head downward sloping; Involucral bracts 3~4 layers, imbricate arranged, outer involucral bracts small, grassy, ovate or narrowly ovate, abaxially densely whitish arachnoidal woolly, margin membranous, middle involucral bracts longer than outer, long ovate, abaxially arachnoidal woolly, inner involucral bracts thin, abaxially subglabrous; Inflorescence receptacle small; 6~10 female flowers, corolla narrowly tubular, eaves 2-lobed, purple, style elongated, corolla outspread very long, apex 2-forked; 8~12 bisexual flowers, corolla tubular or tall cupped, glandular outside, eaves purplish, anthers narrowly linear, apex appendage pointed, long triangular, base with inconspicuous small tips, style subequal or slightly longer than corolla, apex 2-furcate, posterior curving outward, forked tip truncate, with eyelashes. Achene is long ovate or oblong. Flower period: July to October.
Ecological environment: It is found in wasteland, roadsides, rivers and hillsides from low to medium elevations. It is also found in forest-steppe and grassland areas. Ai is easy to reproduce and grow and has strong adaptability to climate and soil. It is resistant to cold and drought, and prefers warm and humid climate. It is better to grow in moist and fertile soil. Artificial cultivation in hilly and low-mountain areas, the temperature suitable for growth is 24~30℃, when the temperature is higher than 30℃, the stem is easy to aging, branch pumping, diseases, and insect pests increase. When the temperature in winter is lower than -3℃, the perennial roots do not grow well.
Distribution range: It is widely distributed in China, in addition to the extremely dry and cold areas, almost throughout China. It also distributed in the north area of Asia and Siberia.
Trait identification: Leaves wrinkled, broken, with short stalks. Complete leaf blade flattened oval elliptic, feather dissolved, lobes elliptic-lanceolate, margin with irregular coarse serrate, upper surface grayish-green deep yellowish-green, with sparse pilose and glandular points, lower surface dense gray-white villi. Soft. It is fresh and bitter. The herb with thick leaf, color is cyan, abaxially ash white, the nap is much, qualitative and soft, aroma strong is better in quality.