Exercise and diet are very important. Pay attention to the difference between before and after exercise. Before exercise, give priority to carbohydrate things, such as rice. After exercise, you need to supplement alkaline food to help replenish and restore physical strength. Milk is a good choice. Principle 1: Carbohydrate-based low-fat carbohydrates are easy to digest before exercise, and can provide sugar, which can provide energy sources for exercise, such as rice, potatoes, macaroni or other whole grains, and can also be added with fruits or sports drinks, such as apples, pears and Kangbite fitness drinks; Or eat some high-fiber biscuits with yogurt; You can also eat raisins and Kangbit energy bars, which can supplement more energy. Principle 2: supplement alkaline food after exercise to help restore physical strength. After an hour of exercise, you can supplement alkaline food to help restore your physical strength. Don't drink coke. Coke will increase the acidity in the body and make you more tired the next day. Don't eat meat after exercise. You can drink milk, fruit juice (no sugar or less sugar), soybean milk and green tea; You can also add a little jam to two pieces of bread to go with yogurt.