Fast food is becoming more and more popular in China, especially among children and teenagers. Today, nothing is more representative of the fast pace of modern society than fast food. There are several reasons for its popularity. First, it is quick and convenient. Go into a fast food restaurant, and your food will be ready in a minute. You can satisfy your hunger instantly. Precious time won't be wasted in waiting-in-line to order or waiting at your table for your food to arrive. Second, its popularity is also attributed to the clean food, the excellent service and the comfortable environment of the fast food restaurant.