Because jelly belongs to liquid goods, passengers on domestic flights are forbidden to carry liquid goods with them. When the plane flies at high altitude, the air pressure in the cabin will suddenly drop, which may lead to the danger of jelly expansion or even explosion, but it can be checked, but its packaging should comply with the relevant regulations of civil aviation transportation.

Extended data:

According to the regulations of the Civil Aviation Administration of China, it is forbidden to take the following items with you on civil aviation flights in China:

1, guns, military or police equipment (including main components) and their imitations;

2 explosives, such as ammunition, pyrotechnics, blasting equipment and their imitations;

3. Control tools;

4. Flammable and explosive articles, such as matches, lighters (gas), alcohol, paint, gasoline, kerosene, benzene, rosin oil, cigarette cakes, etc.

5. Corrosive substances, such as hydrochloric acid, sulfuric acid, nitric acid, liquid storage battery, etc. ;

6. Poisons, such as cyanide and highly toxic pesticides;

7. Radioactive substances, such as radioisotopes;

8. Other articles endangering flight safety, such as articles with strong pungent smell, strongly magnetized substances that may interfere with the normal work of onboard instruments, etc.

Phoenix Net-Airport security tip: Canned food can't be taken with you on the plane.