To exclude intracranial organic lesions, cranial CT or nuclear magnetic examination should be performed to clarify the diagnosis. If intracranial organic lesions are considered, clinically they are mainly seen in large cerebral infarction and massive cerebral hemorrhage, and if they are cerebrovascular diseases, they should be promptly hospitalized for comprehensive treatment. It may also be caused by fever. Patients with fever may become confused in severe cases and monitor body temperature, routine blood count or chest X-ray. If the blood count is elevated, most of the cases are considered to be caused by bacterial infections, which are mainly treated with antibacterial drugs, usually ceftriaxone sodium and cefoperazone, sulbactam, and also levofloxacin. In addition, it may also be due to diabetic patients, if the blood sugar exceeds 33mmol/L easily cause hyperosmolar coma, the patient can also appear confused, if the patient’s blood sugar is too low may also cause, should monitor blood sugar.