Going to the doctor to treat the country can eliminate the country's disadvantages and relieve the people's upside down. Emperor Sui Yang: I am more powerful at home, and I like to do big projects--Li Feng: Then I will form a medical team to save people. Emperor Sui Yang: I will build the East In the capital Luoyang, two million people were conscripted, and four to five out of ten of the dead——Li Feng: I will save. Emperor Sui Yang: I am building the Grand Canal, and five million people will be conscripted, and more than half of the dead—Li Feng: I will save. Emperor Yang of the Sui Dynasty: I have conquered Goguryeo three times, and there are countless dead——Li Feng, I will save you, but I can’t save you. Yang Guang, you are too troublesome, you are not worthy of being an emperor, so change people quickly, the emperors will take turns, and come to my house next year.