1. Bamboo shavings are usually transplanted with mother bamboo. The time is from mid-February to late March. Two-year-old bamboo with thick bamboo poles, dense internodes, short branches, vigorous growth of bamboo whips, lush branches and leaves, thick, full and tender buds, fresh whips and no pests and diseases is selected as the mother bamboo.

2. Bamboo shavings are Chinese herbal medicines, which are the middle layer of the stems of Gramineae plants, such as Phyllostachys glabra, Phyllostachys macrophylla or Phyllostachys bambusa. Bamboo shavings are sweet, slightly cold and moist, and are good at clearing heat and resolving phlegm. For those with phlegm heat blocking the lung and yellow and thick phlegm, the products of promoting fluid production are often combined with Scutellaria baicalensis Georgi, Fructus Trichosanthis and Fritillaria to enhance the effect of clearing away lung heat and resolving phlegm.