1. Dark chocolate: Dark chocolate has very low fat and calories, and it also has a fat-burning effect. If eaten appropriately, it will be of great benefit to the body. However, dark chocolate is relatively bitter and is generally eaten by people. Not used to it.

2. Shelled walnuts: This is also a snack with relatively low calories and fat, and contains a large amount of vitamin E, which can not only help improve memory, but also improve body obesity.

3. Fruits: Fruits have very low fat and calorie content, and are rich in vitamins and fiber. Proper consumption can improve gastrointestinal motility and is also good for the skin.