Vinegar is acidic, fried egg, generally with a pungent and dry nature. The therapeutic effect of vinegar omelette on the lungs is mainly to reflect the effect of one dispersal and one collection, and to promote and lower the lung qi. According to Chinese medicine, vinegar is acidic and enters the liver and gallbladder meridian. If the liver rises, the lung descends, and the lung qi no longer reverts upward can achieve the effect of stopping cough, lowering qi and calming asthma. Clinical symptoms such as cough, coughing phlegm, chest tightness and shortness of breath, especially in autumn when similar symptoms occur, need to be given dietary treatment. In addition to vinegar omelette, sweet and sour diet such as lotus root, yam, radish, pear and lemon can be given to help moisten the lung qi and avoid the symptoms of dry cough, shortness of breath and less phlegm. So vinegar omelette to stop cough is still scientifically justified and can target general dry cough.