Persimmon is a cold food. It will cause stomach cold after eating. If patients with stomach cold eat too much, it will lead to abdominal pain, diarrhea and other symptoms. Persimmons also have a high sugar content. Eating too much will affect appetite and is not suitable for diabetic patients. Eating persimmons can also easily lead to stomach stones, which may lead to hematemesis and induce gastric ulcer in severe cases. So don't eat on an empty stomach.