The birthday of the queen of the Xiao family.

Xiao (567-647), the empress of Emperor Yangdi of Sui Dynasty, was born in the Xiao family in Lanling, a medieval political and cultural family. Father Xiao Kui, Xi Liang Xiao Ming Emperor, and mother Zhang. Xiao Housheng was born in February. Jiangnan customs thought it was unlucky, so he was adopted by his uncle.

After Emperor Wendi established the Sui Dynasty, he was chosen as the princess of his beloved son Yang Guang, the king of Jin. Hou Yaozong is clever, knowledgeable and skilled in medicine. He won the favor of Wendi Deng and her husband Yang Guang, gave birth to three sons and a daughter, and made great contributions to her husband's office. After Yang Di ascended the throne, although he was over forty years old, Xiao Hou was still loved and respected by people. After Yang-ti, there was much adultery, and after Xiao, there was no result. After Yang-ti was killed in Jiangdu, Hou Yaozong, in her fifties, took her young grandson and daughters of the royal family to rebel Yu Wenhuaji and Dou Jiande, and later Princess Yicheng welcomed her into East Turkistan. The Sui people in exile in Turkey took precedence over the Yangdi government, and Hou Yaozong lived with her in Dingxiang. In the fourth year of Tang Zhenguan, Li Jing destroyed the East Turkistan, and Hou Yaozong returned to Chang 'an and lived in Sing Tao. After the death of Xiao in the twenty-first year of Tang Zhenguan, Emperor Taizong buried him with Emperor Yang in Yangzhou as a gift from the queen.