Shandong Heze people. Ren Xin said that medical services are all kinds of high-definition videos broadcast on Youku to popularize medical knowledge. In the previous video, Dr. Sun said that he was from Heze, Shandong. Benevolence and Medicine in the Heart, produced and broadcast by sctv News Comprehensive Frequency, is a health care program about how to eat healthily in daily life and how to use Chinese herbal medicine to regulate the body.