Kunming Yiliang Sizhitang Business Hours. According to relevant public information, the business hours of Kunming Yiliang Sizhitang are every Monday, Wednesday, Friday and Saturday. Doctor Yao's Chinese Medicine Clinic in Sizhitang has such a well-known and thriving Chinese medicine clinic in Kunming. Yao Yuangang, the owner of the clinic, has gradually become a famous doctor among the people. The clinic is located in Yuqiao Community Square, No.30 Qichun Road, Yiliang County, Kunming.