Brown sugar can be added to Bai Tong soup. Bai Tong decoction is a traditional Chinese medicine prescription, which has the effects of dispelling cold and dampness, dredging meridians and relaxing muscles and bones. It is often used to treat arthralgia due to wind-cold-dampness, cold pain in waist and knees, numbness of limbs, weakness of bones and muscles, etc. Adding proper amount of brown sugar to Bai Tong soup can increase the nutritional value and taste of the soup.