Specializes in perioperative management of children, critically ill patients and liver transplantation patients; Prevention and treatment of liver ischemia-reperfusion injury and its mechanism; Comforter painless series treatment; Perioperative anesthetic management of ERAS in surgical patients; Endotoxemia, lung, kidney and other organ injury prevention and treatment.

Chief physician, doctoral supervisor, anesthesia surgery center, party branch secretary, in charge of the center of the anesthesia accelerate rehabilitation surgery and perioperative ZhuanBing library and big data, winning many provinces, field and participate in a number of state-level scientific research fund research fund, published more than 70 research papers, in which high levels of more than 20 articles in English, As an important participant, he won the second prize of Science and Technology Progress of Guangdong Province and the third prize of Chinese Medicine Award. Ren: Vice Chairman of Precision Anesthesia Branch of Guangdong Precision Medicine Application Society; Deputy Chairman of anesthesia and Perioperative Medical Professional Committee of Guangdong Women Physicians Association; Standing Member of Anesthesia Resuscitation and Nursing Technology Branch, Guangdong Biomedical Engineering Society; Standing member of Urological Accelerated Rehabilitation Professional Committee, Guangdong Provincial Medical Association; Expert member of the Pilot Working Committee of Accelerated Rehabilitation Surgery in the Third Affiliated Hospital of Sun Yat-sen University.