Leeks and beef are incompatible: eating the same food can easily lead to poisoning.

Eating leeks and spinach together can easily cause diarrhea.

Eating leeks and honey together can cause heartache;

Leeks and white wine cannot be eaten together because white wine is pungent and hot, which can promote blood circulation and dilate blood vessels, while leeks are pungent. Warming, warming, nourishing and aphrodisiac, if they are eaten together, it is said to add fuel to the fire for people who have just recovered from a serious illness, so they cannot be eaten together.