Fast food is becoming more and more popular in China ,especially among children and teenagers .
There are several reasons for its popular .First ,it is very convenient and saves a lot of time .You just go into a fast food restaurant ,order your food ,and your food is ready in time .Second ,you can either eat it there or take it away .Third ,the envronment of fast food restaurants is both clean and comfortable .Fourth ,it has excellent service ,and the quality of food is guaranteed .However ,it terns of nutrition ,IT is usually not a balanced diet and low in nutrittional value .
Fast food is only a good choice when you are in a hurry and turn to it once in a while .But for people ,especially children ,eat fast food as little as possible .