With the policy of opening of the national second child,the problem of difficulty in pregnancy and the increase of miscarriage rate are highlighted.Intrauterine adhesions have become an important cause of disease.Professor You Zhaoling has been thinking and summarizing from many years of clinical experience,innovating the different concepts and clinical management methods of IUA to treat it from larger angle and vision,to think and improve it from existing train of thought-method-path.Advance wi...