The 23rd Asia-Australasia Conference of Radiological Technologists (23AACRT) and the 28th East Asia Conference of Radiological Technologists (28EACRT) will be held from November 12th to 14th, 2021. However, due to the influence of COVID-19, it is unfortunately held on the WEB (online). 23AACRT and 28EACRT are hosted by the Japan Association of Radiological Technologists (JART) and the Tokyo Association of Radiological Technologists (TART). The conference main theme is “Let's promote team medical care with the nation”, and a sub-theme is “Diversity of technology and harmony of people”. Educational topics and workshops in 23AACRT and 28EACRT will feature more than 20 aspects in the fields of education and radiological technologies. Well-known scientists will be invited for educational lectures, special lectures, keynotes and theme symposia. For further information about the 23AACRT and 28EACRT, please visit: