寿司既是晚宴酒席中的珍馐佳肴，也是方便美味的风味小吃。它是日本极具代表性的美食之一，历史悠久，因此形成了独具特色的寿司文化。本文就以寿司文化为主要内容，介绍寿司的历史、分类、影响和在日本流行的原因。

Sushi is not only a delicacy in the dinner party, but also a convenient and delicious snack. It is one of Japan's most representative cuisines and has a long history, which has led to the formation of a unique sushi culture. In this article, we will introduce the history, classification, influence, and reasons why sushi is popular in Japan, focusing on sushi culture.