Usually take medicine should be used warm water for brewing and taking, if the water temperature increases will make some components of the drug inactivated, for example, with enzymes containing drugs pepsin and trypsin, which is actually a protein, if the protein enzyme with hot water will appear inactivated, that is, the secondary failure of the drug. In addition, vitamin C vitamins should not be taken with hot water, the antioxidant effect will be reduced when taken in hot water, for anti-inflammatory drugs if served with cool water, will cause a certain stimulation of the gastrointestinal tract and the gastrointestinal tract does not adapt to the reaction. Therefore, you should not take them with cold water. For Chinese medicine, if served with cold water, it does not help the good absorption of the drug, so taking medicine with warm water can achieve the best bioavailability of the drug, but also does not cause irritation to the human gastrointestinal tract.