Platycodon grandiflorum (Platycodon grandiflorum) is a perennial herb with a stem height of 20 ~ 120 cm, usually hairless, occasionally short hair, no branching and few upper branches. All leaves are whorled, some are whorled to all alternate, sessile or with extremely short stalks, the leaves are ovoid, ovoid to lanceolate, the leaves are ovoid or ovoid-lanceolate, and the flowers are dark blue or deep purple, which can be used as ornamental flowers; Its root can be used as medicine, which has the functions of relieving cough, resolving phlegm, dispersing lung qi and expelling pus, and is commonly used in traditional Chinese medicine. It is often pickled into kimchi in the northeast of China and used to make kimchi in the Korean Peninsula. The local folk song "Ballad of Orange Stalk" describes this plant. From the name alone, some people may mistakenly think that platycodon grandiflorum is the stem of an orange, but it is actually not directly related to oranges or citrus.
Pteridium aquilinum var. latifolia, also known as Fishes, Catclaw and Leading Vegetable, likes to be born in sunny places in shallow mountainous areas, and is distributed in most parts of China, mostly in sparse mixed coniferous and broadleaved forests. Edible parts are undeveloped young leaf buds. The processed bracken tastes fragrant and smooth, and it is cool and refreshing with seasoning. It is a rare excellent dining table. It can also be fried, processed into dried vegetables, stuffed and pickled into cans. It is widely distributed in Chinese mainland and Southeast Asia, and it is also very popular at the table in these areas. Because it contains carcinogenic ingredients, excessive use of cattle and sheep will lead to death, and human consumption will lead to an increase in the incidence of cancer. It is also considered to be one of the culprits leading to the high incidence of gastric cancer in Japan.