As we know,healthy is very necessary for us.Now ,let me tell you how to do it,We should go to bed early and get up early.We should do more exercise every morning. Staying up late is bad for our health.Different kind of food are important for us.We should eat more healthy food,such as fruit ,vegetable,bread,milk ,fish and so on.A good breakfast is good for us,It can keep us strong.We should drink enough water everyday.