Hawthorn belongs to the fruits with higher calories. The calorie of hawthorn is 102kcal/100g, so hawthorn belongs to the fruit with higher calorie. Hawthorn is rich in vitamin C and vitamin E; hawthorn contains protein 0.5g/100g, fat 0.6g/100g, carbohydrate 24.1g/100g as well as crude fiber 3.1g/100g. And the calorie of every 100g watermelon is 30 calories; the calorie of every 100g strawberry is 32 calories. It can be seen that hawthorn belongs to the high calorie in the total fruit. Hawthorn flavor is sweet and sour, it can promote appetite and have good effect of relieving greasiness, but it should be eaten in moderation, excessive consumption of hawthorn can easily cause excessive stomach acid and lead to acid reflux phenomenon. Casual hawthorn products sold on the market, in order to improve the flavor, generally will add a lot of sugar in the process of hawthorn production, calorie is higher, about 317kcal/100g, a large number of consumption will cause blood sugar fluctuation, affect the sense of hunger and should pay attention to the oral cavity cleaning after consumption, in order to prevent damage to the teeth.