Cough diet should pay attention to drink more water, do not eat stimulating food, do not eat too full, increase the intake of high-quality protein and vitamin-rich food. Drinking plenty of water when coughing can keep the phlegm diluted, avoid the phlegm being too sticky, and facilitate the expulsion of phlegm. Try not to eat irritating food when coughing, for example, limit the intake of food such as chili peppers, otherwise it will cause irritation to the throat, which may lead to aggravation of coughing symptoms. In some patients, coughing may be related to gastroesophageal reflux disease (GERD). In this case, do not eat too much, otherwise it may aggravate GERD and worsen the symptoms of coughing. Clinical causes of cough common causes and respiratory tract infections, respiratory tract infections patients should increase the intake of high-quality protein and vitamin foods, increase resistance, conducive to the recovery of the disease. Cough patient’s diet is very important, the symptoms are obvious but also timely to the hospital, under the guidance of the doctor to give treatment.