You can do light exercise about 1 hour after eating, and if it is medium-high intensity exercise, it should be done at least 2-3 hours after eating. Generally after eating food will enter the stomach through the esophagus, and then through the peristalsis of the stomach, grinding the formation of coeliac, and then enter the intestinal tract, this process takes about 3-4 hours, an hour has been a small amount of food into the duodenum, two hours after more than half of the food into. So you can do light exercise, such as walking slowly, about 1 hour after eating. Like jumping rope, sit-ups, push-ups, play soccer, basketball and other high-intensity exercise, it is recommended to arrange in 2-3 hours after meals. Just after eating, the body needs a lot of blood to concentrate in the stomach to help digestion, this time to do running and jumping or more intense exercise, will lead to part of the blood shunt to the limbs, is not conducive to the digestion of food in the stomach. After eating, you can walk slowly or stand up, it is not recommended to sit or lie down directly.