Cucumber belongs to the food of clearing heat and detoxification, fresh milk has the effect of nourishing Yin and filling essence, the effect that the two together have is to clear heat and nourish Yin. The reason for this effect is that cucumber itself is sweet, sour, and cold, the effect is to clear heat, water, detoxification. Milk, on the other hand, enters the stomach meridian and its main function is to nourish yin, which also has the effect of clearing heat, and also has the effect of moistening the body’s essence and blood. The combination of the two can be used to treat Yin deficiency fire or simple fire, patients can be applied. The people who are not suitable, mainly for their own spleen and stomach cold, as well as people prone to diarrhea, try not to take too much cucumber with fresh milk, because it can aggravate the spleen and stomach in the cold, so that the body’s diarrhea, cold aggravation.