On March 14th, 2020, Henan Medical Research published “Clinical Evaluation of Re-positive Phenomenon of Nucleic Acid Testing in Discharged Patients Recovered from Covid-19” online. This paper focuses on the re-positive phenomenon of nucleic acid testing in some discharged patients recovered from Covid-19. Based on authoritative literature and clinical research results, it has carried out scientific professional analysis and offered further treatment for the patients. This is very significant for the prevention and control of Covid-19 and for the management of discharged patients. The author of this paper is Liu Xiaopeng, a postgraduate student of the Fifth Clinical Medical School of our university, Wang Hongyu, a doctoral student of the Second Clinical Medical College of Southern Medical University, and Professor Meng Qingyi of the first medical center of the Chinese PLA General Hospital. The corresponding author is Professor Zhang Sisen, director of the cardiopulmonary cerebral resuscitation research center, Vice President of the Affiliated People's Hospital and doctoral supervisor of our university. The papar is hereby forwarded.