Spot fat loss does . Not occur naturally. By losing weight in general some will probably be abdominal fat. But, we don't get to choose what area of body fat is lost from. Eat healthy ; be physically active. Calories burned must > those consumed. Tighten ab's: crunches, reverse crunches, exercise ball crunches, pelvic thrusts, lying leg raises, side bridge ; “bicycling” exercise on back. Do regular aerobic exercise.
Eat less/exercise mo. Fat on the belly is excess of energy stored from imbalance of food intake and energy expenditure. You should cut on your food intake to reduce your daily calories and also exercise daily if possible. Avoid fat rich foods(fried foods) and too much sugar in your drinks or deserts. Weigh yourself daily and try to lose one pound each week. You will get healthy within 6 months to 12 months!