Tennis is a relatively large amount of exercise, which should be carried out properly for 1-2 hours every day, but it is more important to lose weight by balancing diet and supplying energy reasonably, so it is only the most critical issue. Many exercises will start with improvement, but a balanced diet is necessary. Especially the balance of amino acid, fat and sugar, there are many products with balanced nutrition on the market now. For example, Ankang source amino acid beverage is eight kinds of amino acid beverages necessary for human body, which will not correct the amino acid imbalance just by drinking this product, and it is enough for us to eat arachidonic acid often, and sugar can also be taken casually, without much particularity. Vitamins and minerals need to eat more fresh vegetables and fruits. Therefore, as long as the diet and exercise are well matched, not only the body is guaranteed, but also the body will not be undernourished because of exercise.