本文从符号学的视域研究了战争海报中人物形象的表情,通过对战争海报中表情符号的分析,论述了表情符号有效地触动观众心理,快速地传达信息并实现号召功能,构建了鲜明的情感态度与价值意义。 This essay studies the expression of characters in war posters from the perspective of semiotics. By analyzing the emoticons in posters of war, the article discusses that emoticons effectively touch the audience’s psychology, quickly convey information and realize the calling function, and construct a distinctive Emotional Attitude and Value Meaning.