1. Fructus Aurantii: The nearly ripe fruit of Rutaceae plant Lime, eaten raw or fried with bran. Its nature is bitter, pungent and sour, and it can break qi, disperse stagnation, resolve phlegm and promote digestion.

2. Fructus Aurantii Immaturus: It is a dry young fruit of Rutaceae plant lime, mainly produced in Sichuan, Jiangxi, Annex, Jiangsu and other places. Raw or fried with bran. Its nature is bitter, pungent and sour, and it can break qi, disperse stagnation, resolve phlegm and promote digestion.

3. Green husk: the dried husk of immature fruit of Rutaceae. Location: Guangdong, Sichuan, Fujian, Jiangxi and other places. Bitter, pungent and warm in nature. Soothing the liver, breaking qi, eliminating stagnation and guiding stagnation.

4. Pericarpium Citri Tangerinae: It is the mature and dry peel of Rutaceae oranges. Location: Guangdong, Sichuan, Fujian, Jiangxi and other places. It tastes spicy, bitter and warm. Regulating qi and strengthening spleen, eliminating dampness and resolving phlegm.