Drinking ice water in moderation can slow down the symptoms of dizziness and headache, thus achieving a refreshing and comfortable effect, but drinking ice water generally has more adverse effects on the body, such as causing abdominal pain, diarrhea, etc. It is recommended to drink less ice water, ice water will make the body’s temperature drop quickly, will easily stimulate the bronchial tubes, triggering coughing and other uncomfortable symptoms, and ice water can largely stimulate the gastrointestinal, speed up the gastrointestinal Peristalsis, in serious cases will lead to the occurrence of stomach cramps, causing severe abdominal pain. A large amount of ice water will produce a great stimulus to the intestines, stimulating the gastric mucosa vascular contraction, resulting in gastric ischemia, hypoxia, in the summer, a large amount of ice water will allow the sweat pores to close, and sweating is not smooth, the body heat dissipation is hindered by the phenomenon of heatstroke, so drink ice water in moderation to play the effect of refreshment, but generally do more harm than good.