From the medical records written by a doctor, we can see the medical level of the doctor and the quality of the hospital. Medical records are the business cards of doctors and hospitals. Medical records can reflect a clinician's clinical thinking and knowledge level, which is one of the basic skills of clinicians. This sentence is a famous saying of Zhong, the father of Academician Zhong Nanshan. Zhong (190 1 year-1987), male, Han nationality, from Xiamen, Fujian Province, 1930 graduated from Peking Union Medical College, and later obtained a doctorate from new york State University, formerly Guangzhou Central Hospital (now Guangdong Provincial People's Hospital).