A doctor applies Sang Fu Teh, a traditional Chinese therapy, on a toddler's back at Handan Hospital of Traditional Medicine in Handan, Hebei province, on July 13, 2013. Many Chinese hospitals were packed with patients as the summer heat brought on a string of medical complaints. Using traditional applications in summer could also reduce the chances of getting winter diseases, said practitioners of TCM. Sang Fu Teh works best against allergy-related illnesses and is most effective on hot days. [Photo by Hao Qunying/Asianewsphoto]

A doctor applies Sang Fu Teh, a traditional Chinese medicine to a boy's back that is usually used on hot summer days in Yichang at the Hospital of Traditional Chinese Medicine in Shenyang, Liaoning province, on July 13, 2013. [Photo by Yang Xinyue/Asianewsphoto]