Rotundine is primarily used in traditional Chinese medicine for its sedative and analgesic properties. It is commonly applied to alleviate pain, particularly in cases of headaches, menstrual cramps, and other mild to moderate pain conditions. Additionally, it is utilized to help manage anxiety, insomnia, and nervous tension due to its calming effects on the central nervous system. Rotundine is often incorporated into herbal formulations or used as a standalone supplement to promote relaxation and improve sleep quality. Its natural origin makes it a popular choice for individuals seeking alternative or complementary therapies for stress and pain management.