2. Doing aerobics 2 hours after meals can promote gastrointestinal peristalsis, increase the secretion of digestive juice, and better help the digestive system digest and absorb food. Dancing aerobics after meals will make people relax physically and mentally, and it also has the benefits of losing weight and shaping. It is not advisable to do aerobics immediately after meals, otherwise it will affect the blood supply of the digestive system. If you dance aerobics immediately after a meal, there will be a lot of blood flowing to the exercise organs, resulting in insufficient blood supply to the digestive system and slow gastrointestinal peristalsis. Often doing aerobics after meals will seriously lead to stomach pains, gastric ulcers, indigestion, gastroptosis and other gastrointestinal diseases, which are extremely harmful to the body.