In recent years

the detection of clinical pulmonary nodules has shown an increasing trend

and the long follow-up time and the difficulty of judging whether the nodules are benign and malignant are the primary difficulties. The theory of liver and lung correlation is an important part of the five viscera theory

and the two are closely related both physiologically and pathologically. They affect each other and synergize in the ascending or descending movement of qi and the flow of qi and blood. Pulmonary nodules are not recorded in ancient books of traditional Chinese medicine

but they can be categorized into "

fei ji

" (lung accumulation) since they are tangible lesions that follow a specific law of development. The key to its generation and progression is constraint of liver qi and damage of lung qi leading to disorder of qi movement and blood in the liver and lung. For the treatment of pulmonary nodules

the main methods are to soothe the liver

rectify the lung and promote qi movement

supplemented by softening hardness and dissipating mass

resolving stasis and toxin

and strengthening the resistance to eliminate pathogenic factors. For the treatment of clinical symptoms of pulmonary nodules

it is necessary to pay special attention to diffusing and restoring the smooth movement of lung qi

soothing the stagnated liver qi

restoring the balance of ascending and descending functional activities of qi

so that the whole qi-blood circulation can function smoothly

and paying attention to psychological counseling for patients. Combined with clinical cases

the treatment of pulmonary nodules from the theory of correlation of lung and liver is introduced.