Objective: To study the treatment law of lung distension

and to provide references for theoretical research and clinical prescription. Method: According to 〈Formula Dictionary of Traditional Chinese Medicine〉 and 〈Chinese Journal Full-Text Database〉

the databases of the treatment of lung distension was established to analyze the rule of clinical treatment. Result: The function wasin relieving cough

supplement of Qi

promote blood circulation to dispel blood stasis. The usage frequency of herbs was pinellia ternate(39.56%)

glycyrrhiza (37.36%)

almond (37.36%)

ephedra (30.77%)

poria(27.47%)

perilla(25.27%)

peach kernel (24.18%)

balloonflower(20.88%)

(19.78%)

cassia twig(19.78%)and was based on meridian of spleen and heart. And the couplet medicines were pinellia ternate and almond

cortex mori and ephedra

pinellia ternate and poria

pinellia ternate and perilla

pinellia ternate and peach kernel

pinellia ternate and tangerine peel. Conclusion: The treatment of lung distension should invigorate the circulation of qi and the blood and to reduce phlegm.When curing the pulmonary disease

we should cure spleen and heart.