197 1 May to1August, 972, he started cooperative medical care in Pingdingying Town, Weng 'an County, Guizhou Province, and worked as a village doctor (formerly barefoot doctor, the length of service was officially calculated by the state), and began to diagnose and treat diseases independently.

197510 ——1979 In September, I graduated from Guiyang College of Traditional Chinese Medicine and stayed as a teaching assistant and doctor, teaching Chinese medicine and prescriptions, and worked in the affiliated hospital of Guiyang College of Traditional Chinese Medicine, the ward and outpatient department of Guizhou Provincial People's Hospital.

198 1 year 1 1 month after graduation, he stayed in the internal medicine research room and internal medicine department of Guang 'anmen Hospital and transferred from 1996 to geriatrics department.