Abstract： This paper summarizes and introduces Professor PAN Junhui's clinical experience in the diagnosis and treatment of pulmonary nodules. Professor PAN Junhui believes that pulmonary nodules is located in the lung meridians， with deficiency in the lung， spleen， and kidney as the root， and qi stagnation，phlegm turbidity，blood stasis，and pathogenic toxin obstructing in the lung meridians as the manifestation. Common clinical types are binding of phlegm and stasis，bi obstructing the lung meridians； pathogenic toxin stagnation，blood stasis and heat blocking the collaterals；emotional upset，qi constraint and qi stagnation； yang qi insufficiency， and stagnation of pathogenic qi in the meridians. In clinical practice，both cold and warm medicines are used concurrently，with a particular proficiency in the use of worm medicines.