For students, weight loss needs to take into account the health of the body and the state of mind. The goal of losing 20 pounds in seven days is very unrealistic and may cause serious damage to the body. In order to lose weight in a healthy and effective way, the following provides some suitable weight loss methods for students:

1. Balanced diet: Ensure three meals a day, eat vegetables, fruits and proteins as much as possible, and reduce foods high in sugar, fat and salt, and replenish sufficient water in time.

2. Calorie control: Set an appropriate calorie intake according to your physical condition, limit the total calories you eat every day and control the intake of carbohydrates, eat protein and good fats in moderation.

3. Exercise to lose weight: Do a moderate amount of exercise every day, such as walking, running, swimming, etc., to exercise and speed up the metabolism and burn fat.

4. Regular work and rest: Ensure sufficient sleep time, regular work and rest habits are very important for health.

5. Reduce stress: During the weight loss period, you need to stay in a happy mood, and you can do stretching exercises and meditation and other stress-relieving activities.

Please pay attention to these students to adhere to the implementation, do not excessive weight loss caused by physical problems.