The best way to lose weight after three days is to exercise, eat less and eat more meals, and you can often walk, swim and play badminton. These two sports have obvious effects on the whole body, and it is not easy to rebound after losing weight, unlike running a hula hoop. And eating, except breakfast. The other two meals are eight points full. Don't eat so much. It's okay to eat fruit. Don't eat melon seeds That's cancer-causing fruit. It is omnipotent.