Public communication engineers of ethnic minorities in our country are precious cultural heritage, established, developed and archived from generation to generation. This is a unique cultural feature, unique to the people, contributing to the most diverse and colorful picture of Vietnamese culture. With very unique values, many handmade communication systems of the compatriots are continuously being protected and promoted in the doi moi and international importation. However, under the influence of the management system and the employer, especially the impact of the 4th industrial revolution, the craft transmission system is faced with many recipes, both immediate and long-term risks. . Therefore, it is necessary to have a full formula and depth of the value of the manual communication system, from which there are scientific and synchronous solutions, contributing to protecting the characteristics of ethnic minorities. new condition.