Functions mainly include invigorating spleen, benefiting stomach, eliminating dampness, and harmonizing middle energizer. Treat weakness of spleen and stomach, lack of appetite, listlessness, asthenia, diarrhea, phlegm retention, edema, jaundice, damp arthralgia, dysuria, dizziness, spontaneous sweating, and uneasy fetal qi.

Sexual taste is bitter and sweet, and it warms the spleen and stomach meridians.

Collecting frost, digging in beginning of winter, removing stems, leaves and soil, drying or sun-drying, and removing fibrous roots. The dryer is called "baking"; Those who dry in the sun are called "sun drying" or "winter drying".

Administration and dosage for oral administration: decoction,1.5 ~ 3 RMB; Boil the paste, or put it into pills and powder.

Bie Ming Lian ("Bie Lu") and Dong Baizhu.

Growing areas are widely cultivated in Anhui, Jiangsu, Zhejiang, Fujian, Jiangxi, Hunan, Hubei, Sichuan, Guizhou and other places, and Zhejiang has the largest number of cultivation.

Note: people with yin deficiency, dryness and thirst, and stagnation of qi should not take it.

Morphological and pharmacognostic identification showed that the dried rhizome was a fist-shaped lump with irregular tumor-like protrusions, with a length of 5-8 cm and a diameter of 2-5 cm. The surface is grayish yellow to brownish yellow, with shallow and thin longitudinal wrinkles. Both sides of the lower part expand like a wishful head, commonly known as "Yuntou". Upward, it tapers, or there is a section of aboveground stem, commonly known as "Atractylodes macrocephala leg". At the top of the tumor-like process, there are often stem base remnants or bud marks, and fibrous root marks are also obvious. Hard, not easy to break, uneven section. The section of baking is yellowish white and horny, with cracks in the center. The section of sun drying is white in skin, yellowish to yellow in xylem, with oil spots. It is fragrant, sweet and slightly pungent, and slightly sticky. It is better to be large, with grayish yellow surface, yellow-white cross section, cloud head, solid quality and no hollowness. Location: Zhejiang and Anhui. In addition, Hunan, Hubei, Jiangxi, Fujian and other places are also produced. Zhejiang Shengxian and Xinchang regions have the largest output; The quality of the products in the dive site is the best, which is called "Yu Shu". Yeyushu is a wild Atractylodes macrocephala produced in Yuqian, Changhua and Tianmu Mountain in Zhejiang Province, and its name is "Tianshengshu". This commodity has long been extinct. Now sold in surgery, the seeds of Atractylodes macrocephala in Xinchang are planted in the buried hill area, and the broken surface is yellow and white with yellow radial texture. It is fragrant, sweet and spicy. It is generally believed that the quality of Latent Atractylodes macrocephala is better than Xinchang Atractylodes macrocephala.

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