楹联立意的依据有客观外境和主观内情两个方面。客观外境,即人物、景物、事件等。楹联作者既要根据对象的现场景物、现实情况,又要根据客观对象的历史事迹、佳话轶闻,并在这个基础上,概括提炼,表达出好的主题来。主观内情指作者的特定立场、思想基础、认识水平、感情、气质等。楹联的主题不是客观事物的自然体现,而是通过作者匠心独运的处理并以主观的形式表现出来。 Union couplets based on the objective external environment and the subjective two aspects. Objective external environment, that is, people, scenery, events and so on. According to the scene of the subject, the actual situation, but also based on the historical objective stories of the objective object, anecdote, and on this basis, summarized refined, to express a good theme. Subjective internal feelings refers to the author’s specific position, ideological basis, level of understanding, feelings, temperament and so on. The theme of the couplets is not a natural manifestation of objective things, but is handled by the author’s ingenuity and displayed in a subjective way.