Hawthorn can be eaten raw, but it must be eaten sparingly to prevent stomach upset. Hawthorn has certain nutritional value, every 100g of hawthorn contains 73g of water, 457KJ of energy, 25.1g of carbohydrates, 100.0mg of carotene, 53.0mg of vitamin C, and 299mg of potassium. moderate intake of hawthorn can help to replenish the above mentioned nutrients which are beneficial to human body. Hawthorn as a fruit can be eaten raw. Hawthorn is sweet and sour when eaten raw, which can stimulate the secretion of taste buds and digestive juices. However, if you eat too much at one time, it is easy to irritate the gastrointestinal tract and cause acid reflux, stomach pain and other discomforts. Hawthorn can also be cooked or processed before consumption, the tannins in hawthorn are broken down during heating, which is not easy to cause digestive burden after consumption.