It depends on the way you run! Predictably, you may mainly use jogging! Jogging mainly exercises leg muscles. If you have a lot of meat in your abdomen and waist, you may lose some meat, otherwise it won't have much impact. But it can improve your cardiopulmonary function and promote blood circulation. If you want to lose weight in your abdomen and waist! The best way is to do sit-ups and squats! Stick to it and the effect will be obvious. If you are a man, I suggest you do more push-ups!