Maidon, also known as along the grass, the book with grass, for the lily family along the grass genus perennial evergreen herbaceous plants. The fibrous roots are stout, and the top or middle of the root often expands into a spindle-shaped fleshy mass. The product is fusiform, slightly pointed at both ends, 1.5-3cm long, 0.3-0.6cm in diameter, with a yellowish white or yellowish white surface and fine longitudinal lines. The surface is yellowish white or yellowish white, with fine longitudinal lines. The texture is flexible, the section is yellowish white, translucent, and the center column is tiny. Gas slightly fragrant, taste sweet, slightly bitter. Taste and Meridian: Sweet, slightly bitter, slightly cold. Attributes to the heart, lung and stomach meridians. Functions and Indications: Nourishing yin and generating fluids, moistening the lung and clearing the heart. Used for lung dryness and dry cough, consumptive cough, fluid injury and thirst, heartburn and insomnia, internal heat and thirst, intestinal dryness and constipation, pharynx and diphtheria. Storage in a cool dry place, moisture.