Generally, it takes at least 4 hours to eat crabs after eating persimmon cakes.

Crabs are rich in food from protein and protein, and it usually takes 2-4 hours to digest in the body. For safety reasons, it is best to eat it after 4 hours.

Persimmons and crabs are cold foods, and eating them together will damage the digestive function of the spleen and stomach.

So it's best not to eat both on the same day.