Ethnic solidarity plays are an important role in Ho Chi Minh's philosophy of national solidarity. A research about public ethnics at Vietnam, Ho Chi Minh said that Vietnam was a tradition of consolidation, which lived and died together, share happiness as well as sorrow together. From it, Ho Chi Minh developed a theoretical synthesis system for ethnic groups to release national liberation, equality of rights among nations, promote the great potential of the highlands and ethnic minorities. It helps the highland keep pace with the lowland to build up Vietnam is a country of peace, unity, democratic and prosperous.