1. Turmeric is a perennial herbaceous plant of the Zingiberaceae family and the genus Curcuma longa, with a plant height of 1-1.5 meters. The rhizome is oval or cylindrical and orange-yellow in color; the leaves are oblong or oval in color. It is green; the flowering period is August, the bracts are oval or oblong, light green, the calyx is white, and the corolla is light yellow; the root is thick and the end is enlarged to form a tuberous root.

2. Turmeric is a widely distributed plant, produced in Taiwan, Fujian, Guangdong, Guangxi, Yunnan, Tibet, Sichuan, Guizhou and other provinces and regions, and is widely cultivated in East Asia and Southeast Asia; it likes warm and humid climates , an environment with sufficient sunshine and abundant rainfall, and is afraid of severe cold, frost, drought and water accumulation. It is generally harvested in winter when the stems and leaves are withered.

3. Turmeric is a traditional Chinese medicine, and its dry rhizome is used as the medicinal part. It is irregular oval, cylindrical or spindle-shaped, often curved; the surface is dark yellow, rough, with wrinkled texture and Obvious links; the cross section is brown to golden yellow, horny-like, with a waxy luster; the processed medicinal materials are irregular or round-like thick slices.

4. Turmeric can be decoctioned and taken orally, or made into pills or powders, or can be ground into powder and applied externally; it has the effects of promoting qi and blood stasis, promoting menstruation and relieving pain, and is mainly used to treat tingling pain in the chest and hypochondrium, chest obstruction and heartache, Shoulder and arm pain, rheumatic shoulder and arm pain, postpartum stasis and abdominal pain, irregular menstruation, amenorrhea, abscesses, bruises, etc. It should be noted that people with blood deficiency, qi stagnation and blood stasis should use it with caution, and pregnant women should not use it.