In order to deeply study and implement Xi Jinping’s Thought on Strengthening the Military，Profoundly understand the decisive significance of "two establishments"，Enhance "Four Consciousnesses"、Strong “Four Confidences”、Achieve "two maintenances"，Implement the overall national security concept，September 25，No. 1 undergraduate in the School of Electrical Engineering、Second、The third party branch organized and carried out "Strengthening National Defense with Hard Work，National defense-themed education party class with the theme of "Move forward bravely toward rejuvenation"。This party class is hosted by Ren Xinyue，Lecturer Dong Mengna gave a lecture。

Dong Mengna starts from the meaning of national defense，Introduced the main body of national defense to the comrades in detail based on specific realities、Object、Types and characteristics of socialist national defense with Chinese characteristics。Dong Mengna emphasized,“National defense is a fundamental plan related to the life and death of the country and the nation，Every citizen of the People’s Republic of China，Everyone should enhance their national defense and security awareness。”Dong Mengna’s explanation enhanced the comrades’ concept of national defense，Guide comrades to establish national defense awareness in their future study and life，Thick feelings for family and country。

Dong Mengna also emphasized the importance of network security to comrades，Cybersecurity is part of national defense，It is even more closely related to our lives。Dong Mengna hopes that comrades will use the Internet in a reasonable and regulated manner，At the same time, we continue to strengthen our information technology skills，Pay attention to the protection of personal information，Beware of all kinds of traps。

This national defense theme education party class has further enhanced the comrades’ sense of responsibility and mission，Laid a solid foundation for the branch’s future development。In the future，Hope that party members of the branch will continue to strengthen their personal national defense concepts and awareness of danger，Work together to care about national defense、Love national defense、Building national defense、The ideology of defending national defense，In order to comprehensively build a modern socialist country、Work in unity to comprehensively promote the great rejuvenation of the Chinese nation。