Weakness and sweating may be caused by low blood sugar, cold and other factors, the patient should promptly seek medical attention to clarify the cause of the disease and then carry out appropriate treatment. 1. Hypoglycemia: hunger, liver disease, diabetes, diarrhea and other factors caused by the drop in blood glucose concentration to the extent that it can not maintain the normal needs of the body, the patient will have weakness, sweating, starvation, coma and other symptoms, the symptoms of serious patients should be in the direction of the doctor to immediately inject glucose intravenously, and actively search for and treatment of hypoglycemia caused by the cause of the disease. 2. Cold: belong to the upper respiratory tract infection caused by viruses, patients will have weakness, sweating, coughing, coughing, runny and other symptoms, should drink more hot water, pay attention to exercise, if necessary, can be used under the guidance of a doctor’s medication. It is recommended to consult a doctor in time? Under the guidance of the doctor to identify the cause of the disease, standardized treatment.