Dongping people, Bingzhou secretariat, Bi, Deng Kui, Ding Mi are all outstanding talents. But they are eager for wealth and succumb to this situation. After Wei Mingdi succeeded to the throne, he hated their vanity, restrained them, and made peace only as some redundant officials. In the first month of AD 239 (the third year of King Jing), Cao Cao died and was succeeded by Prince Cao Fang. At that time, Cao Shuang, Sima Yi, Qiu Fu assisted the imperial court, and Cao Shuang was closely related to others. When he came to power to help the government, he immediately introduced and promoted Yanhe and others to become his confidants because of his ability to make peace. Yanhe and others pushed Cao Shuang, arguing that power could not be entrusted to others. Ding Mi advised Cao Shuang to ask Cao Shuang to tell Cao Fang to send a letter and change Sima Yi to a teacher. Outside, he respected Sima Yi in a false name. In fact, he is going to let the ministers take charge of it. Cao Shuang should look at it first, so as to control his priorities. Cao Shuang listened to his plan and appointed Sima Yi as his teacher.
He Yanxian was named assistant minister of scattered riding. Soon after, Cao Shuang was transferred to Lu Yu, the official department minister, as the official department assistant minister, and was replaced as the official department minister and assistant minister. Used to be named Xu. Yanhe and others rely on Cao Shuang's influence to cater to people's promotion and promotion, while disobedient people are dismissed and abdicated. Both inside and outside the imperial court are watching the wind and dare not disobey their will. Yanhe also cut down hundreds of hectares of mulberry fields and Tom fields in Luoyang and Diannong, the wild king, for his own business, and stole official things and demanded them from other counties, but officials did not dare to resist. Fu Wei, assistant minister of Huangmen, said to Cao, Cao Shuang's younger brother, "He is quiet in appearance, but impulsive in heart. He takes everything and doesn't want money. I'm afraid he must seduce your brothers first, and people with lofty ideals will fly away, and national affairs will be abandoned. " Making peace with Wei was so dissatisfied that he was dismissed because of trivial matters.
In 247 AD (the eighth year of Zhengshi), Cao Shuang adopted the strategy of waiting for others to move Queen Guo to Yongning Palace and began to monopolize power. In this case, Sima Yi was unable to grasp the power and was afraid of being persecuted again in the court, so in May of the same year, he began to plead illness to avoid disaster. At that time, Cao Fang liked to get close to a group of little people, have fun in the backyard and eat and drink. In July of the same year, Yanhe Shangshu said: "From now on, emperors must be accompanied by ministers when they go to Shigan Hall or have fun in the backyard, so that they can ask questions about politics and discuss politics, explain classics and discuss righteousness, and follow suit from generation to generation." In December, Kong Yi, the doctor of Sanshou, also remonstrated with Cao Fangjin, but Cao Fang wouldn't listen.
At that time, the rumor book said that "three dogs in Taichung, two dog cliff firewood is not worthy, and one dog is silent." Three dogs refer to Yanhe, Deng Kui and Ding Mi, and silence is the fine print of Cao Shuang. This means that all three dogs want to bite, and Ding Mi is the most vicious. In the first month of AD 249 (the tenth year of Kaiyuan), the change of Gaoping Mausoleum took place. Sima Yi accompanied Cao Fang to visit Wei Mingdi Gaoping Mausoleum, staged a coup, closed Luoyang City, and occupied Cao Shuang and Cao's barracks. Cao Shuang finally surrendered to Sima Yi and handed over power.
According to Wei Chunqiu, after the change of Gao Pingling, Sima Yi let Yanhe participate in the case of Cao Shuang and others. Make peace and thoroughly investigate Cao Shuang's henchmen in order to avoid their sins. Sima Yi said: "It involves eight ethnic groups." Seven surnames, such as Ding and Deng, were excluded. Sima Yi said, "This matter is not over yet." Making peace was poor and urgent, and then he said, "Is it me?" Sima Yi said, "Yes." So he detained Yanhe.
On the 10th day of the first month, Sima Yi, together with Yanhe and Cao Shuang, killed three clans for treason.
In Who's Who, Justin in the Eastern Jin Dynasty listed Yanhe, Xia Houxuan and Wang Bi as official celebrities.