National unity is an important guarantee for social harmony and stability and long-term stability of the country. China is a united and unified multi-ethnic country jointly created by people of all ethnic groups, and the future and destiny of all ethnic groups are always closely linked with the future and destiny of the motherland. National unity is a spirit, an ideological integration force and a pursuit, which plays an important role in rallying people's hearts and integrating society. Under the new historical conditions, further strengthening national unity is an inevitable requirement for building a well-off society in an all-round way and accelerating socialist modernization; It is an inevitable requirement to promote the prosperity and development of all ethnic groups and build a harmonious socialist society; It is an inevitable requirement for further emancipating the mind and promoting the great cause of reform and opening up in the new era. Focusing on the international environment and the general trend of world development, we should fully understand the importance and urgency of promoting national unity and progress from the strategic height of ensuring the long-term stability of the country, enhance our sense of political responsibility and historical mission, and constantly push the cause of national unity and progress to a new stage.