Patients vomit when they cough, mostly because the cough stimulates the throat, nerve reflexes cause nausea and vomiting. For such a problem, we need to actively treat the primary disease; severe coughing will also make the abdominal pressure rise, resulting in gastric reflux caused by vomiting, the following methods can be relieved: First, oral cough medication, such as Pei Pa Koa Ointment, compound licorice oral solution, and so on. Second, the patient can drink a small amount of warm water, you can also drink some light salt water to moisturize the throat, do not eat stimulating food, you can eat some fluid food, such as millet porridge. Secondly, if the cough is caused by bacterial infection, you can take oral antibiotics, such as cefaclor, amoxicillin and so on. If the condition does not improve, it is recommended to go to the hospital in time for medical treatment.