A lot of citizens like the summer drink freezing milk, but cold drink can cause systole of gastric bowel path, did not achieve the sanitarian goal of drinkable milk instead.

• 夏季许多市民喜欢喝冰冻牛奶，但冷饮会引起胃肠道收缩，反而没有达到饮用牛奶的保健目的。