Narcolepsy is a neurological disorder characterized by excessive daytime sleepiness， which seriously affects patients' work and daily life. Western medicine has certain limitations in its treatment. In traditional Chinese medicine （TCM）， this condition falls under the categories of "somnolence" and "excessive sleep"， with the core pathogenesis involving imbalance of

yin

，

yang

，

qi

， and blood in the viscera， characterized by

yang

deficiency and

yin

excess， and closely related to the heart， spleen， liver， and kidney. Clinical treatment emphasizes harmonizing

yin

and

yang

， with the general principle of warming

yang

， transforming

yin

， and regulating the viscera. Based on the changes of

yin

and

yang

in the organs， treatment focuses on calming the heart， awakening the spleen， soothing the liver， and warming the kidney， following the principle of syndrome differentiation. This paper explores the approach and methods for treating narcolepsy based on the theory of "reconciling

yin

and

yang

"， illustrated with a clinical case， aiming to provide new ideas for its treatment.