At present, the main problems in athletes' diet include imbalance in the proportion of nutrients, unreasonable distribution of nutrients and calories, insufficient intake of trace elements, lack of awareness of nutrition matching, etc. Therefore, a few measures such as scientific nutrition matching, rational distribution of calories for three meals, paying attention to the intake and distribution of trace elements, and strengthening nutrition education for athletes were proposed, and this is the healthy basis for maintaining the best competitive state of competitive athletes.