This seems to be a popular question. Ha ha. Diets are the best way to lose stomach weight fast. But, don opt for crash diets as these are not healthy and have a harmful effect on the body. Crash diets may help you lose a few pounds buy you will put on weight after a period. You can try a non fat, non meat diet and see if this works for you. Most people who eat a lot of meat are prone to weight gain and reducing the consumption of beef and other types of red meat will help in controlling fat.