Therefore, if the spleen is deficient, phlegm and dampness are stored in the lungs, which will affect the function of the lungs to promote the flow of water and dampness, and thus the lung qi will rebel and cough will appear. The patient will show symptoms such as chest tightness, shortness of breath, coughing, coughing white phlegm, or coughing yellow phlegm. At this time, you can choose medicines that dry dampness and resolve phlegm, regulate qi and stop coughing, such as Er Chen Ping Stomach San and San Zi Yang Qing Tang.