一种语言中最重要的词语有多少,是认知科学、语义学、词典学中的重要命题。本文提取出《现代汉语词典》中单义的双音释词6010例,根据频次与释词位置进行加权,再用同释词、转释词、同素词三种方法来进行系联,提取出了502条常用释词。发现释词频率高,释词位置靠前的一般都具有通用性强、词义覆盖面广、语义位置重要的特点。 What is the most important word in a language? It is an important proposition in cognitive science, semantics and lexics. In this paper, we extracted 6010 ambiguous disyllabic words in the Modern Chinese Dictionary, weighted according to the frequency and the position of the lyric, and then used the three methods of interpreting the words, the translated words and the homographs to concatenate and extract Out of 502 commonly used words. Found that the frequency of interpretation of high frequency, the position of the front of the interpretation of words generally have the versatility, wide coverage of meaning, semantic location important features.