Objective To analyze the characteristics of TCM syndromes of narcolepsy. Methods The 88 narcolepsy patients were analyzed with the unified questionnaire for observing the characteristics of TCM syndromes. Results The core symptoms of narcolepsy included sleep attacks （88 cases）

amyasthenia （73 cases）

hyponagogic hallucination （29 cases） and sleep paralysis （27 cases）. The main syndromes of narcolepsy included retention of damp due to spleen deficiency （53 cases）

the damp heat in the spleen （9 cases）

spleen deficiency and liver hyperactivity （8 cases）

spleen and kidney Yang deficiency （4 cases）

turbid phlegm disturbing brain （6 cases）

blood stasis in the brain （4 cases）

and phlegm-fire disturbing gallbladder （5 cases）. Conclusion The core symptoms of narcolepsy included sleep attacks

amyasthenia

hyponagogic hallucination and sleep paralysis which appear singly or in combination. Its main syndrome is retention of damp due to spleen deficiency.