Firstly, the patient may experience aphasia, such as not understanding others' conversations and being unable to accurately express their own opinions. Signs of facial paralysis, such as a skewed mouth, drooling, and nasolabial fold, may also appear. Secondly, limb paralysis is a common clinical symptom, generally presenting as hemiplegia. There may also be hemisensory disturbances, such as numbness on one side of the body. Thirdly, patients may experience a decline in cognitive functions, exhibiting slow reactions, reduced memory capabilities, and decreased computational skills. If a stroke affects the posterior circulation, the patient may experience symptoms such as dizziness, double vision, and hemianopia.