In 221 BC, the princess of Xianyang Palace was tossing and turning every night. The imperial doctor was helpless, so the King of Qin offered a reward of one million yuan to recruit a doctor. At the market entrance, I raised my hand and tore off the yellow silk fabric, causing an uproar in the surrounding area. Wrapped in coarse linen but with a calm expression - the liar had just had his nose cut off in public the day before, and there was a lot of discussion. A metallic sound suddenly sounded in my ears: the sign-in system has been activated. I turned back and glanced at the crowd of people watching: I can cure this disease. When he turned around, a corner of his clothes was lifted by the wind, revealing the edge of a yellowed bamboo slip.