Cough may or may not require a gastric power test, depending on the cause of the patient’s cough. 1. If the cough is accompanied by acid reflux, belching, burning sensation in the precordial area and other discomforts, the cough may be caused by esophageal reflux disease, and it is recommended to do a gastric dynamics test to determine whether the patient has gastric dynamics abnormality. 2. If the cough is caused by respiratory system diseases, cardiovascular system diseases, neurological factors, drug factors, psychological factors, etc., gastric dynamics examination is generally not necessary, and the airway related examination, X-ray, CT examination, etc. can be perfected. When there are uncomfortable symptoms, it is recommended to actively seek medical treatment, do not blindly deal with, so as not to delay the condition.