Jianghua tea oil fermented bean curd is a specialty of Jianghua Yao Autonomous County, Yongzhou City, Hunan Province. Jianghua tea oil fermented bean curd is soft and fragrant, rich in protein, which can stimulate appetite and prolong life. Among them, "Wang Laosan" brand tea oil fermented bean curd is more famous.

Jianghua tea oil fermented bean curd is a specialty of the Yao nationality in Jianghua, which is one of the famous Yongzhou specialties. Jianghua tea oil fermented bean curd is produced in Jianghua Yao Autonomous County, located in Yaoshan Mountain of Mengzhuling, the source of Xiangjiang River. Because of its mild climate, excellent environment and fertile soil, it is especially suitable for planting crops such as soybeans and peppers. The main raw material of Jianghua tea-oil fermented bean curd is high-quality soybean, with pepper, salt and various spices as auxiliary materials, which is refined by soaking camellia oil and Yao's traditional secret recipe. Jianghua tea oil fermented bean curd is soft, fragrant and rich in protein, which can stimulate appetite and prolong life. At the same time, tea oil contains oleic acid, linoleic acid and other substances that are beneficial to human body, which is deeply loved by people and is the first choice condiment for Yongzhou people.

The protein content of tea-oil sufu is over 12%. After fermentation, the plant protein in tea-oil sufu is decomposed into various amino acids by protein, and substances such as yeast are produced, which can stimulate appetite, promote appetite and help digestion. Sufu is rich in vitamin B, which can not only supplement vitamin B12, but also prevent Alzheimer's disease. Unique soybean isoflavone has health care function; Tea oil is also rich in oleic acid, linoleic acid, unsaturated fatty acids, vitamin E, squalene and flavonoids, which can remove fire, care skin, improve eyesight, blacken hair and inhibit aging, and has a good effect on chronic pharyngitis and the prevention of hypertension, arteriosclerosis and cardiovascular diseases.