Different from the preface, there are differences between the two. The main differences are different meanings, different purposes and different functions, as follows:

First, the meaning is different.

1, summary

Also known as summary and content summary, it means to extract or extract the main points.

2. Preface

Preface refers to the words written in front of a book or article.

Second, the purpose is different.

1, summary

It is a short article, which concisely and accurately describes the important contents of the literature, without comments or supplementary explanations.

2. Preface

The preface in an article is usually used to explain the main idea or purpose of the article. It can also be understood as the essence of what is written.

Third, the roles are different.

1, summary

The purpose of this paper is to mainly explain the basic content, compilation (translation) meaning, book writing process, academic value and translator's introduction.

2. Preface

The preface of the book, published before the text, mainly explains the basic content, compilation (translation) meaning, writing process of the book, academic value and translator's introduction.

Refer to the above? Baidu Encyclopedia-Abstract, Baidu Encyclopedia-Preface