Dogs can eat hawthorn, but they can't eat more, otherwise it is easy to lead to excessive stomach acid, causing stomach ulcer and digestive disorder. Because hawthorn contains protein, fat, vitamin C, carotene and other substances, not only has the effect of lowering blood fat, lowering blood pressure, but also has the effect of stomach and spleen. So dogs can eat hawthorn, and a small amount of hawthorn can help digestion.