Tongjiang Tremella, a specialty of Tongjiang County, Sichuan Province, and a national geographical indication product in China.

Tongjiang County, Sichuan Province is the birthplace of Tremella, the hometown of Tremella in China. Tongjiang Tremella is named after its main production. It is made of its unique thickness, tender meat, easy to stew, and very high nutritional value and medicinal use. It is well-known at home and abroad. On October 13, 2004, the former General Administration of Quality Supervision, Inspection and Quarantine approved the implementation of product protection in the region of origin of "Tongjiang Tremella". On November 15, 2019, it was selected into the China Agricultural Brand Catalog.

Tongjiang Tremella has the characteristics of beautiful appearance, good color, large flowers, thick meat, chicken-shaped collar, slightly yellow in color, jade-like, and easy to stew; at the same time, Tongjiang Tremella has a protein content of ≥7.5%, and total sugar ≥44%. Dry and wet ratio 1:15.

In the late 1970s, Chinese medical scientists and nutritionists further conducted research on Tongjiang Tremella, which is rich in vitamin B, polysaccharides, proteins and iron, phosphorus, calcium, and magnesium needed by the human body. , sulfur and other trace elements; it also contains 17 amino acids, and 3/4 of the essential amino acids of the human body can provide.