Roselle is a traditional Chinese medicine, and its calyx and other extracts can be used as raw materials for industrial production. Also known as Luoshenhua, it is rich in vitamin C and slightly acidic, which is conducive to regulating and balancing blood lipids and promoting bone development.

It can be used by the general population, but it is suitable for people with high blood pressure and people who often stay up late. Pregnant women are forbidden.

Roselle tea should be poured with one third of cold water, then boiled for three to five minutes. Do not use boiled water directly, so as not to destroy the natural vitamins in roselle.