Very formal. Yu Fang Fuzhengtang is a brand of traditional Chinese medicine, which mainly produces and sells traditional Chinese medicine health care products and proprietary Chinese medicines. There are many kinds of products, including tonifying kidney and strengthening yang, regulating qi and blood, and maintaining health. It should be noted that consumers should choose regular brands and sales channels when purchasing traditional Chinese medicine health care products and proprietary Chinese medicines to avoid buying fake and shoddy products.