Based on authentic data,this research proposes a tentative classification of hospital public signs and investigates their distribution.Applying the framework of Adaptation Theory,this paper explores the con-textual factors adapted to,analyzes the pragmatic strategies employed,and probes into the current socio-psy-chological state reflected.The results show that hospital public signs can be classified into five main categories, each having obvious different distribution and frequency from the others,and that they need to adapt to both language-internal and external factors to achieve satisfactory effect.%基于真实语料，考察了医院公示语的类型和分布。以语言顺应理论为分析框架，探讨医院公示语顺应的语境因素、使用的语用策略、反映的社会心理。研究表明：医院公示语可分为五大类，分布和频次存在明显差异。医院公示语需要顺应语言内部和外部的因素以实现良好的交际效果。
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