1. Litsea cubeba can be planted in winter and spring, with the row spacing of 1*2 meters and 3 trees per mu. After colonization and survival, weeding, fertilization and other work should be carried out, and urea and potassium dihydrogen phosphate should be sprayed on the Cang Shu during the flowering period. Litsea cubeba entered the high-yield period after three years of planting and growth, and entered the high-yield period in the eighth year.

2. Litsea cubeba (Litsea cubeba of Lauraceae) generally refers to Shanji pepper (Litsea cubeba of Lauraceae). Zanthoxylum bungeanum is a plant of Litsea in Lauraceae. Deciduous shrubs or small trees, 8-1 meters high. Bark is yellowish green when young and grayish brown when old, and it is hairless. Leaves alternate, papery, fragrant, lanceolate or oblong, 7-11 cm long and 1.4-2.4 cm wide. Umbellies are solitary or clustered, with slender stems, 6-1 mm long; Bract margin with eyelashes; Each inflorescence has 4-6 flowers, the first leaves open or open at the same time with the leaves, the perianth lobes are 6, and they are broadly ovoid; Fertile stamens 9. The fruit is subglobose, about 5 mm in diameter, glabrous, green when young, black when mature, the pedicel is 2-4 mm long, and the apex is slightly thicker. The flowering period is February-March and the fruiting period is July-August.

3, distributed in China and Southeast Asian countries; In China, it is distributed in Guangdong, Guangxi, Fujian, Taiwan Province, Zhejiang, Jiangsu, Anhui, Hunan, Hubei, Jiangxi, Guizhou, Sichuan, Yunnan and Tibet. It grows in sunny mountains, shrubs, sparse forests or roadsides and watersides in forests at an altitude of 5-32m.