Abstract: Abstract：Hyaluronic acid is an acidic polysaccharide that is widely distributed in various parts of the body. Hyaluronic acid has anti-inflammation，anti-infection，anti-edema effect and accelerates the tissue remodeling and healing in the wound. The article mainly reviewed the physiological function of hyaluronic acid and its application in the field of oral medicine.

Key words: hyaluronic acid, clinical application, oral medicine

摘要： 透明质酸（hyaluronic acid，HA）是一种酸性多糖，广泛分布于人体各部位，具有抗炎、抗感染 、抗水肿、促进组织重建和创伤愈合的作用。本文主要对HA的生理功能及其在口腔医学领域中的应用做一综述。

关键词: 透明质酸, 临床应用, 口腔医学