The mid-Northern Song Dynasty (1022-1093) covers the afterglow of the "Renzong's Prosperity", the attempts of the "Qingli New Deal", the turmoil of the "Xining Reform", the intensification of the "old and new party struggles", and involves core historical issues such as the imperial examination system, land annexation, border issues (Liao and Xixia), and the game between civil servants.