Zheng Dongguo is Zheng Jianbang's grandfather. Zheng Jianbang's grandfather, General Zheng Dongguo, was a famous anti-Japanese general who was persistent in resisting the enemy and made outstanding achievements. 199 1 year, General Zheng Dongguo died in Beijing, and both sides mourned. Zheng Jianbang said that General Zheng Dongguo was a patriotic soldier. When he was young, he walked out of the mountains and was admitted to the first phase of Huangpu Military Academy. During his military career, he devoted himself to overthrowing the foreign powers and eradicating the warlords. Especially in War of Resistance against Japanese Aggression, he fought bloody battles with the Japanese invaders and made contributions to the motherland that a soldier in China should have made at that time. As a patriotic democrat and a predecessor of the China Revolution, he started and ended his life with patriotism, which is a model for young comrades of democratic parties.