1. If you want to take out low-calorie food, you'd better choose low-calorie food, such as tuna, carrot, wax gourd, whole wheat bread, celery, asparagus, potato, fish, beef, mutton, shrimp, corn, purple potato, konjac, bitter gourd, tomato, cucumber, loofah, eggplant, lettuce, oily wheat, spinach and so on.

2. Choose foods with large volume and fiber: These foods can increase satiety and prolong the interval between meals, thus effectively controlling appetite, such as various vegetables and fruits.

3. Try to choose fish, beef and mutton for meat: the calories contained in meat are roughly as follows according to different types: duck >; Chicken > pork >; Beef >; Mutton > fish, fish, beef and mutton can consume less calories.

4. Choose fresh natural foods: Fresh natural foods are usually lower in calories than processed foods. For example, fresh fruit has lower calories than juice, and fresh pork has lower calories than sausage.