In our life, many students like to eat westen foods. These foods taste very good, but they are not good for our health. And many students only eat their favourite foods. It's not good for our health, too. How can we keep healthy? First, we should eat more fruits and vegetables.And also we need to eat a balanced diet. A balanced diet will give us lots of energy. Secondly, we should do some exercise.That can make our body strong. Thirdly, we should get up on time and go to bed on time. If people follow these three ways of keeping fit, they greatly improve their health.