The purpose of this paper is to find a clue to the some delicate matters connected with Korean punctuation marks regulation, consulting some foreign punctuation marks regulations. The current Korean punctuation marks regulation has many problems awaiting solution in many respects. First, in relation to a term some punctuation marks are called in unsuitable names. For example, On-jeom and Pan-jeom are named as the shape of them, but the name of other punctuation marks are based on their functions. On the other hand, Chinese punctuation marks have consistant names based on their shapes and functions. Second, Korean punctuation marks regulation is requested to add some punctuation marks used by many people. For example, many Korean use ``〈〉``, ``《》`` and ``;``, but in Korean punctuation marks regulation we cann`t these punctuation marks. there are ``〈〉`` and ``《》`` in Japanese punctuation marks regulation and is ``;`` in the Chicago manual of style(2010) as an English punctuation marks regulation. Third, in relation to the delicate use of punctuation marks, we need to refer to foreign punctuation marks regulations. For example, the Chicago manual of style(2010) concretly explain the various usage of ``,`` and ``.``. But the explanation of Korean punctuation marks regulation is very simple. Fourth, spacing words of some punctuation marks must be specified clearly. For example the Chicago manual of style(2010) concretly explain the spacing words of various punctuation marks. But in Korean punctuation marks regulation we cann`t find such explanation.