Milk thistle is also called thistle, milk thistle, or "holy thistle" or "happy thistle" in health product advertisements. It is a plant in the Asteraceae family and is widely distributed in southern Europe, North America, and Asia. Annual or biennial herb, 1.2 meters high. The stems are upright, branched, ribbed, rarely unbranched, and all stems and branches have white powdery coating, covered with sparse spider silk hairs or hairless. Rosette-shaped basal leaves and lower stems and leaves have petioles, full-shaped oval or oblanceolate, up to 50 cm long and 30 cm wide, pinnately lobed to fully lobed; the middle and upper stems and leaves are gradually smaller and egg-shaped. Shape or lanceolate, pinnately lobed or shallowly wavy-dented at the edges, base caudate-acuminate, base heart-shaped, half-armed stem, uppermost stems and leaves smaller, undivided, lanceolate, base heart-shaped. stem. All leaves are the same color on both sides, green, with large white spots, hairless, thin texture, with hard yellow needles on the edges or edges of lobes and tops, and the needles are 5 mm long. The flower heads are larger and grow at the ends of branches. The plant contains many flower heads, but does not form an obvious inflorescence arrangement. The involucre is spherical or ovoid, 3-5 cm in diameter. The involucral bracts are 6-layered, with the middle and outer layers broadly spoon-shaped, oval, rhombus-shaped to lanceolate, 1-3 cm long including the apex needles, up to 1.2 cm wide including the edge needles, and the base or lower part or most of the bracts are closely attached. There are no needles on the edge, and the upper part expands into a round, triangular, nearly rhombus or triangular hard leaf appendage. There are hard needles on the edge or base of the appendage, 4-12 needles on each side, 1-2 mm long. , there are needles up to 5 mm long at the top of the appendage; the inner bracts are linear-lanceolate, about 2.7 cm long and 4 cm wide, with no needles on the edges, no leafy appendages on the upper part, and the top is acuminate. All bracts are hairless, and the middle and outer bracts are hard and leathery. The florets are reddish-purple, rarely white, 3 cm long, with 2.1 cm long tubules, 5-lobed eaves, and 6 mm long lobes. The filaments are short and wide, separated in the upper part and bonded in the lower part by sticky hairs. Achenes are flattened, long oval or long obovate, 7 mm long and about 3 mm wide, brown, with linear long oval dark brown spots, a fruit edge at the top, an entire edge, without serrations. The pappus is multi-layered, bristle-like, and white, growing gradually towards the middle or inner layer, up to 1.5 cm long; the pappus has serrated bristles, connected into a ring at the base, and falling off as a whole; the innermost pappus is extremely short, pubescent, with edges Edge entire, arranged on a ring of pappus. The flowering and fruiting period is from May to October.

Artichoke (Pinyin: yang jì. Scientific name: Cynara scolymus, English: Artichoke), also known as cardoon, artichoke, artichoke, is a species of cardoon in the family Asteraceae that grows along the Mediterranean coast. It is a plant in Hong Kong and is generally translated as Bamboo elegans or Bamboo arborescens according to its Italian phonetic pronunciation. Its flower buds can be used for cooking, and it was first introduced to the Chinese society through Italian cuisine. It is now distributed in Shanghai, Zhejiang, Hunan, Beijing, Yunnan, Shaanxi Province, Shandong Province and other places in mainland China. Class Dicotyledon, perennial dicotyledonous herbaceous vegetable plants. When eaten, the taste of artichokes is between fresh bamboo shoots and mushrooms. It has the effect of quenching thirst and relieving hangover. It is rich in nutrients, good for fitness and beauty, and has extremely high edible value. It is known as the "King of Vegetables".