Lihua Deng is a researcher at the Department of Geriatrics, Peking University People’s Hospital in Beijing, China. Her work focuses on ageing, gut microbiota, and geriatric health. She collaborates closely with the Department of Gastroenterology and the Clinical Center of Immune-Mediated Digestive Diseases.

Deng is also listed as a contributor of gut microbiota datasets to the China National Center for Bioinformation (CNCB-NGDC), specifically in a project studying intestinal bacteria in long-lived elderly individuals.

Her research consistently combines clinical practice in geriatrics with cutting-edge microbiome science, aiming to understand how diet, emotional health, and microbial balance affect ageing.