Scalp and face numbness, the possible causes are the following: a. Psychosomatic factors: anxiety, depression, and long-term rest patients, such patients can appear somatization symptoms, the most common of which is the presence of scalp and face numbness. However, this tingling is often not fixed and variable, sometimes numb, sometimes not. Second, intracranial diseases: pay attention to exclude the presence of intracranial diseases, such as cerebral infarction, cerebral hemorrhage, these diseases can appear in the sequelae of the scalp and face numbness. Third, respiratory alkalosis: respiratory alkalosis can also induce scalp and face numbness, respiratory alkalosis mainly refers to breathing too fast and too deep, resulting in a decrease in the body’s carbon dioxide concentration, presenting alkalosis, which can appear all over the body, or the face, head, hands numbness.