"Ancient medical diagnosis x top-notch knife-edge blood-licking tactics." The core point of this idea is that the heroine does not rely on playing chess, playing the piano, or flattering, but relies on "surgical" thinking that is so calm that it is almost cold, and she navigates the intrigues of the court and the harem step by step. The process of her treating the Queen Mother was a process of uncovering the biggest scandal in the royal family. When everyone is using their family, heirs, and saints as bargaining chips, the only and sharpest weapon in her hand is the "cannot destroy, cannot establish" medical skills and poison skills that she has learned from countless piles of dead people and sickbeds.