People queue to receive the Sanfu Paste treatment at a hospital in Guangzhou, south China's Guangdong Province, July 7, 2018. (Photos: Xinhua)
A doctor sticks the Sanfu Paste on the back of a patient at a hospital in Guangzhou, south China's Guangdong Province, July 7, 2018.
Sanfu Paste is a procedure in traditional Chinese medicine in which medicated patches are placed on various acupuncture points on the body.
Sanfu, the hottest period on Chinese calendar, is considered a particularly suitable time for treating illness.