Wu Zetian is the only one empress in Chinese history, who began to participation in government affair decision-making when she was the queen about thirty years old, then held the court to be in power as the queen mother, and finally officially enthroned as the emperor until her death at eighty-two years old, in fact, she had been in power up to fifty years.A person as she is, she plays an important role in Chinese history.What this book introduces is her life and history.From these stories, the reader can have a knowledge about the court at Early Tang, and struggles among factions in the government, as well as the Empress's courage and insight, shrewd means and administration performance, etc.