People who are obese should focus on eating low calories foods such as vegetables, fruits and whole grains including green bean, millet, oat, and barley. People obese should choose vegetables and fruits that are red, Orange and dark green including carrot, tomato, sweet potato, banana, and broccoli, etc. Fruits and vegetables are lower in calories than other foods. They are also fiber, vitamins, and minerals, as well as water. Eating many fruits and vegetables can help you control your weight. Fiber can help digestion and reduces hunger.