There are manys to keep our healthy.
First of all. You should eat plenty of fruit vegetables. Don't eat the food with lots of sugar snd fat. You should kepp a balanced diet.
And then. You should do more exercise every day.
What's more. It is important for us to reduce the study pressure. And go to sleep early and get up early.
The last but not least. you must give up some bad habbits. Such as drinking and smoking.
I hope these suggestions can help you.