A young man in the 21st century accidentally traveled through the Ming Dynasty and became the grandson of Zhu Yuanzhang. When he arrived in the time travel, his eldest brother who loved him had been poisoned by his vicious stepmother. It happened that the system of enriching the country and strengthening the people had awakened. The host used the golden finger necessary for time travel to successfully expose the viciousness of the stepmother and successfully became Huang Taisun. Not surprisingly, he was the third emperor of the Ming Dynasty. He successfully developed the Suigun gun through system rewards. After successfully solving the smallpox virus, he didn't expect that his beloved father died suddenly. The mastermind behind the scenes pointed at his fourth uncle, King Yan, Zhu Di. In the end, the original Zhu Di was imprisoned by the emperor, and he was assassinated. On his own, he successfully uncovered the mastermind behind the scenes, his second uncle, King Qin, Zhu Xi. Zhu Ping was eventually banned for life. Successfully persuaded Zhu Yuanzhang to lift the maritime ban in advance and send Zheng He to the Western Ocean. He also successfully persuaded Lao Zhu to cancel the country without conquests, sent Lan Yu to conquer the Japanese country, and successfully made the Japanese pirates the territory of the Ming Dynasty. He also pointed out the shortcomings of the clan support system, and successfully persuaded Lao Zhu to seal the vassal network overseas. Allow overseas nation-building.