Except for foods that require further processing, heat storage, or have stimulating odors which need to be processed again before consumption and stored with warmth, tourists can bring food intended for their own consumption into the park.
Disney allows you to bring in water and food. However, it does not permit the carrying of foods that require heating, processing, or have pungent smells.
Can be taken, excluding self-heating products.

Shanghai Disney allows bringing in food, but not all things can be brought in. The prerequisite is that these foods must be unopened, such as potato chips and cookies of this kind.
Now it’s possible to take into the garden…
If you want to bring fruit, lychees and watermelons are out of the question. But if you cut the melon meat into small pieces and put it in a bag, bringing it into the park is okay.
“Food packaging from outside catering, wrapped in metal thread like that bread cannot be brought.”
Alcoholic beverages; non-alcoholic beverages over 600ml. It is recommended that tourists consume and dispose of the above-mentioned food and beverage items before entering the park.
Regulations of Shanghai Disney Resort prohibit the carrying in of food that requires reheating, re-stewing, processing, refrigeration or preservation and food with pungent odor.