[Once used to be called 'Prosperous Hua Tang'] In June of the 10th year of Zhenguan, the Empress' eldest grandson was critically ill, and the doctors were helpless. At this time, Sun Simiao, a genius doctor who lived in seclusion in Taibai Mountain, returned to Chang'an to apply for a certificate for his new apprentice. Li Shimin Overjoyed, please invite Sun Simiao to the palace for diagnosis and treatment. Miracle doctor, can you cure this disease? No, but my disciple can. I don’t know where the noble disciple is? He is outside the palace. The old book 'Wen Tang' has 2.4 million words , interested book friends can go and have a look.