Cold body but body sweat is usually called cold sweat, there are several reasons for this: 1, this symptom belongs to the obvious hypoglycemic reaction, when a person has blood sugar <3.9mmol/L will consciously appear chills, chills, hypoglycemia, cold sweat, discomfort around the body, obvious sweating but body cold symptoms. 2, in serious infection, such as infectious shock, septic shock, hypovolemic shock or distributive shock and other serious conditions. In the case of severe infection, such as infectious shock, septic shock, hypovolemic shock or distributive shock, cold sweats, chills, rapid pulse, reduced blood pressure, pale face, etc. 3, feeling cold but sweating is usually a clinical symptom of viral cold, and the clinical symptoms and performance of feeling cold but sweating can occur when the virus invades the body.