Professor Lang’s research has focused on obstetrics and gynaecology, with particular emphasis on gynaecological oncology, minimally invasive therapy, and the integration of traditional Chinese and Western medicine in women’s health. His clinical and research work has addressed the diagnosis and treatment of gynaecological malignancies, the development and application of minimally invasive surgical techniques, and approaches to comprehensive women’s healthcare. He has authored more than 700 peer-reviewed publications and 20 monographs, and has received twelve national and Beijing Science and Technology Progress Awards, as well as the Ho Leung Ho Lee Prize for Science and Technology Progress in 2004. Through leadership in major national medical research programmes and participation in international scientific collaboration, Professor Lang has contributed to connecting advances in clinical gynaecology and minimally invasive therapy with medical education, integrated approaches to women’s health, and the development of clinical practice in China and internationally.