Hawthorn is a common fruit, which is rich in vitamin C, fiber and antioxidants. It is widely considered to be helpful for weight loss and slimming, because it has the following characteristics:

1. Promote digestion: Hawthorn is rich in fiber, which can promote the normal operation of digestive system. Good digestion helps to reduce the accumulation of fat and promote excretion, thus contributing to the weight loss process.

2. Control appetite: Hawthorn can give people a sense of fullness and reduce the desire to overeat. Its sour taste can also help regulate appetite and reduce the desire for high-calorie food.

3. promote metabolism: vitamin c and antioxidants in hawthorn help promote the metabolic process. Good metabolism can help the body burn calories more effectively, thus helping to reduce weight and fat accumulation.

It should be noted that hawthorn alone can not achieve significant weight loss effect. Losing weight requires a comprehensive adjustment of diet, exercise and living habits. Hawthorn can be used as a part of a healthy diet, but it can't be used alone to achieve the purpose of losing weight. It's best to keep a balanced diet, eat all kinds of food in moderation and combine with moderate exercise during weight loss.