Hangzhou Dianzi University has preparatory classes for ethnic minorities. Hangzhou Dianzi University has preparatory courses for ethnic minorities. In order to improve the cultural level of ethnic minorities and accelerate the development of socialist modernization in ethnic minority areas and remote areas, candidates must be ethnic minorities. Some provinces and cities, such as Xinjiang, have a two-year preparatory course for the examination of the Han nationality, which requires the Han nationality to take the examination in minority languages.