海玉竹是一味中药，属黄精的一种，具清热、养阴、生津、润燥、润肺的作用，这些与普通的玉竹功效大致相同，不过海玉竹还能调和人体气血运行，亦能降血脂和血压，而且味道较香无酸味，因此售价上要比玉竹稍贵。
Haiyuzhu is a kind of traditional Chinese medicine, which is a kind of Polygonatum. It has the effects of clearing heat, nourishing yin, promoting body fluid, moisturizing dryness, and moisturizing the lungs. These functions are roughly the same as ordinary polygonatum odoratum, but it can also regulate the circulation of human qi and blood. , Can also lower blood fat and blood pressure, and the taste is more fragrant without sourness, so the price is slightly more expensive than Polygonatum.