Chih Li is a popular neoteric and educationist during the Ming Literature, and Mateo Ricci is the first people who imported the Western Literature. They are both the representative of the ”Treatise of friends” from Chih Li has a big breakthrough meaning for the traditional ethic of china, that is the same with ”Treatise on Making Friends” for Mateo Ricci.To talk about the reason of making friends, Chih Li accentuates the friends should help and support us and Mateo Ricci accentuates the friends must be help each others. One of them is assist-oriented, another is complement-oriented. Beside, to talk about the way to making friends, they both enjoy having many friends. Chih Li visits friends for long way and Mateo Ricci also like making friends for long trip. Moreover, to talk about the relationship, Chih Li think the friends just like his families, and Mateo Ricci think to treat friends just like to treat himself; they have similar opinion to the friends. In addition, to talk about the character of the friendship, they have the same thinking. The former think the first important thing is friendship and the latter think that can not lose friendship in the world. To arrange those opinions, they have many intercommunity. To comparative the traditional and their opinions, their ”Treatise of friends” have advantage of literature.
