A case of acoustic-mnestic aphasia (by Luria) following a left hemisphere vascular stroke was reported. The patient was 32-year-old man whose symptoms were Wernicke's aphasia at the first examination. CT scan revealed the middle temporal to the superior temporal lobes, and supra marginal gyrus. After 12 months from the onset of the disease, his clinical pictures became that of acousticmnestic aphasia. His spontaneous speech was fluent with mild verbal paraphasia. The dominant symptom of his illness was the severe disturbance of auditory verbal memory. The features of his repetition difficulties were as follows : He easily retained and repeated one syllable. The longer the letter of nonsense syllables, the more the disturbances appeared. A series of two-words was relatively easy. No sooner did he attempt to repeat a series of three words, however, than he found it impossible to retain and recall them. He could not retain even two-word sentences. In constrast, the reading comprehension, oral reading, and writing was relatively preserved. After 42 months after the onset, further tests were carried out, but the recover of auditory verbal memory was poor.