The number of extant Wei stele works is huge, including thousands of square meters of statues found in Longmen Grottoes alone. These works are of mixed quality. After being sorted out by predecessors, some works stand out and are regarded as representative works of Wei stele. Longmen Twenty and Longmen Four "Longmen Twenty" refers to the twenty-square statues of the Northern Wei Dynasty found in the Longmen Grottoes. These works are considered to be representative works of Wei stele calligraphy. Kang Youwei of the Qing Dynasty first proposed the twenty articles of Longmen in "Guangyi Zhou Shuangji": "Inscriptions on the statue of Bhikkhu Huicheng, his late father Shi Pinggong", "Inscriptions on the statues of Xue Fashao in Wei Lingzang", "Inscriptions on the statues of Sun Qiusheng, Liu Qizu and two hundred others", "Yang "Big Eyes is the inscription on the statue of Emperor Xiaowen" "The inscription on the statue of Changle King Qiu Mulingliang and his wife Yuchi is on the statue of the late Niu Zha" "The inscription on the statue of Yifu is on the statue of deceased husband Zhang Yuanzu" "The inscription on the statue of Beihai Wang Yuanxiang" "The inscription on the statue of Sima Jieboda" "The Kingdom of Beihai" Concubine Gao’s inscription on the statue of Sun Bao”, “Yunyang Bo Zheng Changtao’s inscription on the statue of his deceased parents and others”, “Gao Shu’s inscription on the statue of thirty-two people in Xie Bodu and others”, “Bhikkhu Huigan’s inscription on the statue of his deceased parents”, “The Queen Mother of Guangchuan” "Inscriptions on the statue of the late husband Helan Khan by the concubines", "Inscriptions on the statue of the emperor by Ma Zhenbai and other thirty-four people", "Inscriptions on the statue of the Queen of Guangchuan by the concubines", "Inscriptions on the statues of Bhikkhu Fasheng as Emperor Xiaowen and Queen Beihai's mother and son", "Inscriptions by Wang Yuanxie of An Ding" "Inscriptions on the Statues of the Dead Ancestors", "Inscriptions on the Statues of King Yuan of Qi County", "Inscriptions on the Statues of the Bhikkhuni Cixianghuizheng" and "Inscriptions on the Statues of the Bhikkhu Taoist Craftsman"