The health is very important with our life. If you haven't got a good health, you won't have perfect happiness in your life. So it's necessary to keep fit and stay healthy. There are hundreds of thousands of way to keep your fit. First, you should morning exercises or play sport as ride bike in fresh air. Second, you should have a good diet, eat enough nutriment. Always have breakfast. And you should have meal in time. The best time to have lunch is about 11 am to 12 am and for dinner is about 6 to 7 pm. You should eat less meat, especial beef, turkey, pork, etc. And should eat a lot of fruit and vegetable; should drink lots of water, about 1 liter to 2 liter per day. Besides, you should take part in some outdoor activities such as playing sports. It helps you reduce stress and gain energy after working hard. You should have sufficient sleep, at least 6 hours per day. Finally, you should see the doctor regulary periodic examine. Moreover, spending time with family and friends maybe improve your mental health so you are happier and healthier.