You can eat it, but you can't boil it in hot water.
:Jellyfish are divided into two kinds of jellyfish head and jellyfish skin, but they are all processed and soaked by the sea jellyfish. Jellyfish head is the tentacle part of the jellyfish, the meat is thicker and more nutritious, usually eaten cold. Jellyfish head is the finest of jellyfish, with a higher level of flavor and nutritional value. Jellyfish should not be pickled with sugar, otherwise it can not be stored for a long time.