The key for young people to control their diet is to develop good eating habits and maintain a balanced diet. Here are some suggestions to help young people better control their diet:

1. Eat regularly: Try to eat on time and avoid long periods of fasting or overeating.

2. Balanced diet: Ensure the intake of various nutrients, including protein, carbohydrates, fats, vitamins and minerals. Eat more vegetables, fruits, whole grains and lean meats.

3. Portion control: Avoid overeating, especially foods high in calories, fat and sugar. Moderately reduce the intake of snacks and drinks.

4. Healthy cooking methods: Try to use healthy cooking methods, such as steaming, boiling, roasting or stewing, and avoid frying and frying.

5. Drink enough water: Drink enough water every day to maintain body water balance and avoid excessive intake of sugary drinks and alcohol.

6. Reduce takeout and fast food: Try to avoid frequent takeout and fast food, because these foods often contain too many calories, fat and sodium.

7. Make a meal plan: Make a meal plan every week to ensure you eat a variety of foods and try new healthy recipes.

8. Increase exercise: Combined with appropriate exercise, it can help burn excess calories and maintain a healthy weight. Aim for at least 150 minutes of moderate-intensity aerobic exercise or 75 minutes of vigorous-intensity aerobic exercise each week.

By following these recommendations, young people can take better control of their diet to maintain a healthy weight and good health.