Abstract: ZHU YI zun had traveled to most places both south and north of Yangtze River during all his life. And he had made countless friends, among which CAO Rong was one. CAO was one of those who had exerted great influence on him. Due to familial origins, political causes and the common pursuit in literature, the two persons established deep friendship between them. In about three decades of his traveling, CAO had offered his great help to him and exerted great influence on him politically, economically and in literary creation.