Cold cough can eat ice sugar pear, pay attention to the right amount, so as not to cause gastrointestinal reaction. Cold cough mainly refers to the cough caused by the common cold due to external wind-cold, symptoms of cold (cold) heavy, fever light, nasal congestion, sneezing, headache and so on. The treatment needs to use the method of pungent and warm relief (using pungent and warm medicines to relieve the evil qi of the muscle surface), and to promote the lungs to disperse cold (to promote the lungs to dissipate the cold qi and evil). Pear with rock sugar is a kind of drink with good taste, which can be used as a kind of food to provide part of energy for the human body. Therefore, it can be appropriate to drink, but need to be moderate, to avoid causing gastrointestinal discomfort. Secondly, it is not recommended for diabetic patients because of the high sugar content. Cold cough patients should pay attention to daily diet light, avoid eating spicy stimulating greasy food to increase the burden on the gastrointestinal tract. When the cough is obvious, need to actively consult the doctor, follow the doctor’s instructions reasonable treatment.