Exercise immediately after meals is easy to get gastroptosis and digestive system diseases, and it is not advisable to exercise immediately after meals.

You'd better not eat unless you can promise to finish dinner two hours before exercise. However, fasting is also easy to cause fatigue and hypoglycemia, so you can supplement a small amount of carbohydrates before exercise 1 hour, such as eating a few biscuits, bread and 1-2 fruit to ensure nutrition during exercise.