Cucumber should not be eaten when it is bitter, because it will produce harmful substances and endanger its own health. If it is serious, it may cause poisoning problems, so it is better not to eat it as much as possible. Cucumber bitterness is a physiological disease, which is different from bitter gourd. Bitter glycosides and bitter elements in bitter gourd can stimulate appetite, strengthen spleen and stimulate appetite, while the bitter taste of cucumber may come from a toxin, which will be harmful to human health. Therefore, it is best not to eat bitter cucumber. Although eating cucumbers is good for human health, spoiled cucumbers are inedible. Try not to eat at will, so as not to increase digestive pressure. Cucumber is cold, but it should not be eaten too much raw, especially those with spleen and stomach deficiency and abdominal pain and diarrhea after a long illness. Cutting cucumber into pieces or slices, frying is more beneficial to health.