1. Bamboo leaves are the dry leaves of the Gramineae perennial evergreen bamboo-like tree or shrub plant Bamboo. Mainly produced in the Yangtze River Basin. Bamboo leaves are the dried stems and leaves of Bamboo leaves, a perennial herbaceous plant of the family Gramineae. Mainly produced in Zhejiang, Jiangsu, Hunan and other places.

2. Shape identification. Bamboo leaves: The leaves are long lanceolate, light green, sometimes cut into filaments of different lengths, and the young unexpanded leaves are called "bamboo leaf rolls." The leaves have short stalks and joints at the joints with the leaf sheaths. The leaves are easy to fall off from the joints. The upper surface is smooth, the lower surface is rough, and the leaf veins are prominent. The texture is crisp and elastic, with a slight odor and a light taste. The leaves of light bamboo are in the shape of segments, with stems and leaves mixed. The stem is cylindrical, with joints, a light yellowish-green surface, and a hollow cut surface. The leaves are flaky, wrinkled and curled, light green, with parallel veins and small transverse veins, forming a rectangular network, especially on the lower surface. The body is light, the quality is pliable, the odor is slight, and the taste is light.

3. Both the above bamboo leaves and light bamboo leaves have the effects of clearing away heat, removing troubles, and diuresis, but bamboo leaves are good at clearing away heat in the heart and stomach, while light bamboo leaves are good at clearing away heat and diuresis. The functions of the two are similar but there are differences among them, so attention should be paid to distinguishing them and not to be confused.