The 6th International Military Medical Forum “The Great Wall” was held in the People’s Republic of China on March 21–25, 2019, in which representatives of the Armed Forces of the Republic of Belarus took part. Own data on the evolution of views on the problem of studying «vascular catastrophes», in particular the «acute aortic syndrome», in our country and abroad were reported. Official statistics (Global Burden Disease review) of the incidence of thoracic aortic aneurysm is 5.9 per 100,000 population per year, mortality due to aortic aneurysm and its stratification increased from 2.49 to 2.78 per 100,000 people, especially among mature men age. The forum allowed expanding scientific ties with representatives of the medical service of the People’s Liberation Army of China and has great potential to enhance research and practical work in the interests of the medical service and to develop the main directions of development of military medicine.