Cheng was never an emperor. Cost name is a famous soldier in the early Tang Dynasty. Cheng Zhijie, a native of Dong 'e, Shandong Province, is one of the twenty-four outstanding people in Lingyange. He was born in 589 and died in 656: Cheng Zhijie was born in 589. Probably from a small and medium-sized landlord family. At the end of Sui Dynasty (the age is unknown), people gathered in the village, and later they joined the Wagang Army according to Shi Mi, which was a title of generals in ancient times for the internal army. In 6 19, in the second year of Wude, he joined Qin Qiong in the Tang Dynasty. In 620, he served as the left third army of Qin. Song Jingang, etc. In 625, the Prince's right guard led the worship. In 626, general tachileik moved to the right. At the beginning of Zhenguan, he served as the secretariat of Luzhou, the left leading general, and named Lu Guogong. In 655, he served as the commander-in-chief of the March on Onion Mountain Road, and sought audience with the Turk Ashnahulu. In 656, he stayed in the office and became an official in qi zhou. Pawn, buried with Zhaoling.