The causes of itchy body symptoms in patients with cerebral infarction include damage to the sensory system, lack of nutrition, skin diseases, etc., as follows: 1. Damage to the sensory system: the infarction leads to the destruction of the sensory system, which causes abnormal sensation in patients, such as infarction of the thalamus and basal ganglia, which can easily cause numbness and itchy symptoms in patients’ bodies. 2. Lack of nutrition: caused by the lack of vitamins due to malnutrition, such as Patients with swallowing disorders can lead to inadequate intake and malnutrition. 3. Skin diseases: It can also lead to symptoms of itchy body, such as eczema and urticaria. Therefore, patients need to clarify the cause through relevant examination in time and take targeted treatment according to the cause, including nerve nutrition, nutritional support, anti-allergy, etc.