Cao Quanbei is a classic example of learning calligraphy, belonging to ().
Cao Quanbei, the full name of Heyangling, also known as Cao Jingwan Monument, was engraved in two years (185), with 20 lines of stele Yang, 45 words each, and 5 columns of stele Yin, which described the achievements of Cao Quan (word Jingwan). In the early Wanli period of the Ming Dynasty (1573), it was unearthed in Heyang County, Shaanxi Province. In Qing Dynasty, Renzi (1672) was broken and lacked characters, and 1956 moved to Xi 'an Beilin Museum. This monument is a masterpiece of Han Li's inscriptions that still has femininity.