Keeping in good health is very important because you can do nothing without good health.There are several points of keeping in good health.Firstly,we should have three healthy meals every day.Eat enough fruit and vegetables.Drink milk every day.Don't eat junk food.Secondly,it's very important to do exercise.It's said that walking at least forty minutes every day is good for us.Besides walking,we can play basketball and football.Go hiking,swimming and climbing the mountains are also good ways of keeping health.Thirdly,we should have good habits.Such as,sleeping at least eight hours every day,washing our hands in time,don't smoke or drink too much and so on.Laughing is also a good way of keeping in good health.We should have optimistic attitute to our life.