As we know,good health is more inportant than wealth .Food gives us energe ,so we must eat enough food to keep healthy.Of course,we should choose the right kinds of food .Different foods help us in different ways.A glass of milk and an egg a day can build us up .And we must also eat more fresh fruit and vegetables.But if you choose the bad food ,you will become sick .Or if you eat too much or too little ,You will become sick ,too.It's necessary for us to have healthy eating habits.