Empress Guo of the Ming Yuan Dynasty (?) -264), Guo, a native of Xiping County, was the empress of Emperor Cao Rong of Wei Ming. Guo was born in the Hexi clan, in the first year of the early Huang Dynasty (220 years), the whole city was too shou to quell the rebellion in Xiping County, and when he left, he brought Guo into the palace and became the concubine of the prince Cao Rong.

After Cao Ei ascended the throne, Guo was named his wife and was deeply favored by Cao Ei. In the second year of the early Jing dynasty (238), Cao Rong established Guo as the queen.

In the third year of the early Jing Dynasty (239), Cao Rong died, and the eight-year-old crown prince Cao Fang ascended the throne and honored Guo as the empress dowager. Assisted by Sima Yi and Cao Shuang. After Cao Fang was deposed, Guo was the queen mother of Cao Chao and Cao Huan.

In the fourth year of Jingyuan (264), Guo died, nicknamed Empress Mingyuan, and was buried in Gaoping Mausoleum with Cao Rong.

Guo is a native of Xidu, Xiping County, and his family has been a Hexi family for generations. In the first year of the early Huang dynasty (220), a rebellion broke out in Xiping County. Emperor Wen of Wei Cao Pi sent the Taishou of the whole city to quell the rebellion, and the Taishou brought the Guo family into the palace before leaving, and became the concubine of the prince Cao Rong.

On May 16 of the seventh year of Cao Wei and Huang Chu (226), Cao Pi was seriously ill and made his son Cao Rong the crown prince. On May 17, Cao Pi died, and Cao Rong succeeded him as Emperor Wei Ming. After Emperor Wei Ming succeeded to the throne, he named the noble concubine Mao (Ming mourning Empress Mao) as the queen and Guo as his wife. Emperor Wei Ming was quite fond of Guo, and appointed her uncle Guo Zhi as the general of the Tiger Ben Zhonglang, and her uncle Guo Li as the commander of the cavalry.

Emperor Wei Ming was very fond of Empress Mao at first, but later Emperor Wei Ming favored Guo and became increasingly indifferent to Empress Mao. On September 15 of the first year of Jingchu (237), Emperor Wei Ming visited the back garden and summoned the talented concubines of the harem to participate in the banquet and entertainment. Guo asked Emperor Wei Ming, "You should invite the empress, right?" Emperor Wei Ming disagreed, and told his entourage that Empress Mao was not to be announced. The next day, when Emperor Wei Ming and Empress Mao met, Empress Mao asked him, "Did you have a good time at the banquet in the North Garden yesterday?" Emperor Wei Ming thought that the left and right attendants had leaked the secret to Empress Mao, so he ordered to kill more than a dozen of his attendants and give Empress Mao to death.

In December of the second year of the early Jing dynasty (238), Emperor Wei Ming made Guo the empress when he was ill.

On the first day of the first month of the third year of the early Jing Dynasty (239), Emperor Wei Ming was seriously ill, and his adopted son Cao Fang, the king of Qi, was appointed as the crown prince, and the imperial lieutenant Sima Yi and the general Cao Shuang were appointed to assist the government. On the same day, Emperor Wei Ming died, the crown prince Cao Fang succeeded to the throne, respected the queen Guo as the queen mother, and the palace where she lived was called Yongning Palace. and posthumously named Guo Man, the father of the Empress Dowager Guo, as the marquis of the Western Capital, and Guo Jian, the son of Guo's uncle Guo Li, inherited his title; Feng Guo's mother, Du Shi, is Yang Jun. Guo's uncle Guo Zhi was transferred to the rank of Commander of the Loose Cavalry and Captain of Changshui, and his uncle Guo Li was the general of Xuande, all of whom were named Marquis. Guo Jian's brother Guo De was appointed as the son of Empress Wenzhao Zhen's deceased Congsun Zhen Huang, and inherited the title of Princess Pingyuan Yi, the deceased daughter of Emperor Wei Ming, and was named the Marquis of Pingyuan, and changed his surname to Zhen. Guo De and Guo Jian, both brothers, were both general guards of the town, and they were both named marquis, and they were jointly responsible for the security of the Beijing division.

In the first year of Jiaping (249), Taifu Sima Yi launched the Gaopingling Rebellion in the name of Guo, killing Cao Shuang and controlling the power of the court.

In the sixth year of Jiaping (254), Sima Shi (Sima Yi's eldest son) deposed Cao Fang in the name of Guo and proposed to establish Cao Fang, but Guo believed that Cao was the uncle of Emperor Wei Ming, and Emperor Wei Ming was enshrined once he became the nephew of the new emperor, and once he became the nephew of the new emperor, he would also cause identity embarrassment, and strongly advocated the establishment of Cao Chao, the son of Cao Lin, the king of the East China Sea, as the emperor.

In the fifth year of Ganlu (260 years), Sima Zhao (Sima Yi's second son, Sima Shi's younger brother), in the name of Guo, chased down the murdered Cao Chao and buried him with the etiquette of ordinary people.

In December of the fourth year of Jingyuan (264), Guo died. On February 30 of the fifth year of Jingyuan (264 years), she was called Empress Ming Yuan and was buried with Emperor Wei Ming in Gaoping Mausoleum.

Guo was quite influential in the political arena at the end of the Wei Dynasty, and Biqiu Jian and Wen Qin raised troops in Huainan to borrow his name, and Zhong Hui rebelled in Shu also known as following his orders