Datang: at the Beginning, Li Er Was Mistaken for a Prodigal Son.

Ye Cheng traveled to the Tang Dynasty, but what he didn't expect was that Ye Cheng, who had just traveled through time, would appear in Princess Xiangcheng's chamber. And it was learned that Li Shiming and Queen Changsun were outside the wing at this time. If Ye Cheng fails to revive the critically ill Princess Xiangcheng with half a stick of incense when the time comes, Li Shimin will let himself be buried with him! Faced with the frame-up by Li Shimin and the imperial doctor outside the door. Just when he was extremely anxious, the voice of the system also came to Ye Cheng's mind! "Ding! System activation!" "Reward: The Great Returning Pill! God-level medical skills! A century-old wonder!" Since then... ... Sun Simiao: "Sir, what kind of medicine is needed for this disease?" ... Li Jing: "Sir! Please teach Jing the Art of War!" Li Er: "Sir, I'm here to ask you about state affairs..." This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.