Ferulic acid is a phenolic acid extracted from the resin of ferulic acid. Ferulic acid is a perennial herb of Umbelliferae with strong garlic odor. It grows in sandy areas and is mainly produced in Xinjiang. Ferulic acid is a common aromatic acid in plant kingdom. It is a component of cork. It rarely exists in free state in plants. It mainly forms binding state with oligosaccharides, polyamines, lipids and polysaccharides. It has many health functions, such as scavenging free radicals, antithrombotic, antibacterial and anti-inflammatory, inhibiting tumor, preventing hypertension, heart disease, enhancing sperm motility and so on. Ferulic acid is low toxicity, easy to metabolize for human body, can be used as food preservative, and has a wide range of uses in food, medicine and other aspects.