Cucumber is a cool food. Food has four properties: cold, cool, warm and hot, which are called the “four properties” in Chinese medicine. Warm and hot and cold belong to two different categories of nature. Cold and cool have a common nature, cooler than cold, that is, in the common nature and there is a degree of difference. Cucumber is cool, does not belong to the cold food. Cucumber has the effect of clearing heat, water, detoxification. It can be used to improve the heat evidence of thirst, edema, yellow gangrene, short and red urine and other diseases, can also be used to improve sweat spots, acne, pigmentation and prickly heat itching and other skin diseases. Modern research cucumber contains more water, carbohydrate relatively small amount, obese people, diabetic patients can eat more. Note that the spleen and stomach cold, after the illness of the weak eat carefully or forbidden to eat cucumber. Compared with drugs, food is weak, slow to take effect, and needs to be eaten regularly to have an effect. Food is not generally used to treat diseases, if you are not feeling well, please follow the doctor’s instructions for evidence-based treatment.