一拍词是日语中“拍”数最少的词，四字词是日语中常见的“拍”数最多的词之一。掌握一拍词和四字词的声调规律，对于讲标准的日语有所帮助。本文就一拍词和四字词的声调进行举例分析，并找出其规律，以期能对日语学习者有所启迪。 A beat phrase is the Japanese “beat” the least number of words, four-character is one of the most common Japanese “beat” one of the words. Grasp the tonal regularities of a single beat and four words, which is good for speaking standard Japanese. This article gives an example analysis of the beat of a hit phrase and four-character words, and finds out its regularity in the hope of enlightening the Japanese learners.