Coughing when eating cold may be caused by pharyngitis, asthma, gastroesophageal reflux disease, etc., and needs to be treated for different causes. 1. Pharyngitis: When pharyngitis patients are stimulated by cold factors, resulting in pharyngeal vasoconstriction, thereby reducing local resistance, so that the bacterial reproduction, resulting in pharyngitis aggravation, which can show pharyngeal itching, cough, fever and other symptoms. For acute pharyngitis patients can use compound borax solution gargle, while taking penicillin and other anti-infective. 2. asthma: asthma patients by allergens or cold food stimulation, often lead to acute attacks of asthma. Commonly used drugs include inhaled glucocorticosteroids such as budesonide, beta agonists such as salbutamol, anticholinergic drugs such as ipratropium bromide. 3. Gastroesophageal reflux disease (GERD): GERD can be exacerbated by eating cold foods, and the irritation of stomach contents can cause coughing. Treatment includes medication such as proton pump inhibitors such as omeprazole, histamine H2 receptor antagonists such as ranitidine, and prokinetic drugs such as domperidone. In severe cases, laparoscopic fundoplication may be used. There are other diseases that can cause the symptoms of coughing when eating cold, if the patient’s symptoms are not relieved or aggravated, it is recommended to go to the hospital immediately, follow the doctor’s instructions to use medication, not self-medication, so as not to aggravate the condition.