In ancient poetry, I miss others but write that the other person misses me. What technology is this?

This is the method of subject-object displacement. The so-called "moving flowers from the subject to the object" is a way to empathize with the scenery and characters, and it is one of the common expressions in China's classical poems, also known as "antithesis". It is clearly what the protagonist did to the other side, but the author does not directly describe it, but writes from the other side's point of view, expressing his deep affection in a graceful and implicit way.

In the process of describing people, narrating and expressing feelings, ancient poems directly turned from subject to object, from reality to fiction, or from writing about one's own situation to writing about the other's situation, which played a rich expressive force, lyricism and far-reaching effect. This conception method is common in homesickness, homesickness, farewell and other poems.

Extended data

Classical poetry of "dichotomy between subject and object";

On Wang Wei's Mountain Holiday Missing Shandong Brothers

I am a lonely stranger in a strange land, and I miss my family more often during the holidays. When I think of my brothers' bodies climbing high, I will feel a little regret for not being able to reach me.

Interpretation: It is inevitable that a person will always be a bit bleak when he is outside, and he will miss his distant relatives every Double Ninth Festival. Far away, I feel sorry for myself when I think of my brothers climbing high with dogwood.

Analysis: the first two sentences are "direct writing", which makes "thinking about your relatives every holiday" the best epigram to express the homesickness of guests; In the last two sentences, the author adopts another way, and the style of writing is abrupt and novel: in turn, he writes about his psychological activities of "yao si" and "missing a person" on the day when his "brother" missed himself, which sets off his feelings of missing his brother, with twists and turns and richer and more vivid feelings.

References:

Baidu Encyclopedia-Subject-Object Transformation