The inability to speak is a common clinical symptom of cerebral thrombosis, mainly due to various causes of central language function area lesions caused by language communication disorders, clinically called aphasia, which is manifested as the following conditions: the first condition is motor aphasia, commonly known as the inability to speak, caused by lesions in the posterior part of the frontal inferior gyrus of the dominant cerebral hemisphere, often manifested as oral expression disorders, which can appear word finding difficulties. The first condition is motor aphasia, commonly known as inability to speak. The second condition is sensory aphasia, where the lesion is located in the posterior superior temporal gyrus of the dominant hemisphere, and is characterized by a severe hearing and comprehension disorder. In the third case, dysarthria and hoarseness can occur when the lesion involves the brainstem, and this can also affect the patient’s verbal communication function. The treatment of this condition is mainly through early intravenous thrombolysis and later treatment with antiplatelet and statin drugs, circulation improvement drugs and speech rehabilitation, and most patients can recover to a large extent.