Recent dysphasia, a speech dysfunction, is usually seen in cerebrovascular diseases, including cerebral hemorrhage and cerebral infarction. Cerebrovascular diseases mostly occur in middle-aged and elderly people, and patients usually have a sudden onset and can suddenly develop speech dysfunction, hemiplegia, motor dysfunction, hemianopia, quadrant blindness, dizziness, nausea, vomiting, balance disorders, ataxia, dysphagia and choking on water, and in severe cases, consciousness disorders, speech dysfunction including aphasia and dysarthria. Aphasia includes motor aphasia, sensory aphasia and mixed aphasia. Motor aphasia includes incomplete motor aphasia and complete motor aphasia. Complete motor aphasia is when a person is unable to speak but is able to understand what is being said. Incomplete motor aphasia is when a person cannot speak well but can understand what is being said. Sensory aphasia is when the person is able to speak, but is unable to understand what is being said. Mixed aphasia is when the person is neither able to speak nor understand what is being said.