Eggplant had better not be eaten raw, because eggplant is cold and contains some toxic alkaline substances, which can easily cause abdominal pain and diarrhea. If you must eat it raw, there is generally no problem, but it is best to eat fresh eggplant just picked, and the eggplant button is the best. Purple eggplant contains more carotene, and carotene is fat-soluble, which means that oil is beneficial to absorption, so frying purple eggplant is more beneficial than eating it raw. Raw wax gourd can be eaten, but it is best to water it once.