Frozen eggplant that meets freshness conditions can be eaten. Whether or not you can eat eggplant after it has been frozen depends on the time and the temperature at which it was frozen. Different freezing temperatures keep them for different periods of time. If the freezing environment is relatively stable, it can be preserved for at least three months at minus 18 degrees Celsius; the fresh layer of the refrigerator can only be preserved for about three days. Freezing is currently one of the very best methods of preserving food, freezing can maximize the slowing down of the reproduction rate of disease-causing microorganisms in food, thus slowing down the process of food spoilage. And under freezing conditions, the protein, fatty acids, carbohydrates, minerals, vitamins, fiber and other nutrients in the food will not be destroyed. The lower the temperature, the longer the eggplant will keep. Nonetheless, vegetables such as eggplants taste worse after freezing and there is a risk of spoilage if frozen for too long, so it is still recommended to consume the vegetables as soon as possible after purchase.