The answer is no. Because persimmons contain ellagic acid, and bananas have tannin content, these two things eaten together to the human body will produce a chemical reaction, if serious, may cause the situation of stones.

Persimmons and bananas are cold foods

And persimmons and bananas are cold foods, so if they are eaten together, it is easy to make people's intestines and stomachs are attacked by cold, resulting in diarrhea. So these two things are not recommended to eat together.

Persimmons and bananas eaten together will be poisoned

Not.

Persimmons and bananas are two relatively common foods, and both are safe and non-toxic, even if they are eaten together will not be poisoned. There is no scientific proof that persimmons and bananas can be poisoned when eaten together.

Fruits and fruits have hot and cold points, mainly cold body should not eat excessive content of food, persimmons are cold food, and bananas are laxative, both eat at the same time, it is easy to cause diarrhea and abdominal pain. However, if only a small amount of food, it will not matter much.