Objective: To observe the efficiency of auricular-plaster therapy in treatment of the heart-kidney imbalance syndrome of insomnia. Methods: a patient was selected to press one ear with auricular point like Shenmen, heart, kidney, subcortex, occipitalia, neurasthenic area and sleep area alternately, and the clinical effect was observed by practitioner. Results: the patient"s sleep disorder was improved and the sleep depth was increased after treatment. Conclusion: Under the guidance of traditional Chinese medicine theory, auricular-plaster therapy of insomnia has a good clinical effect, no adverse reactions were observed, which is worthy of clinical application.#$NLKeywords: Insomnia; heart-kidney imbalance; auricular-plaster therapy; case report