Lin Xuan, a doctor of medicine, opened a clinic in the countryside, but he did not expect that the patient would come from ancient times! Antibiotics saved the life of Brother Zheng of the Qin Dynasty, adrenaline saved the life of Prince Zhu Biao of the Ming Dynasty, and Lotus Qingwen cured the plague of the great Han Dynasty Huo Qubing! A small doctor cures a disease, a big doctor cures a country. Popularize history, improve weapons, send some grain, and create a world map! A few years have passed, and each of the three dynasties has unified the world. Have I become the emperor of the three dynasties?
