Coldness may be caused by too cold environment, low blood sugar, upper respiratory tract infection, hypothyroidism or so on, can not blindly take cold medicine, should be treated for the cause. 1. The environment is too cold, should improve the living environment, get out of the cold environment, pay attention to keep warm. 2. Hypoglycemia: supplemental food should be taken in time and oral glucose should be taken to raise blood sugar. 3. Upper respiratory tract infection: general mild cases do not need medication, more rest, drink more water, exercise can be recovered. Those with low immunity or those caused by influenza should be treated with antiviral therapy such as ribavirin. 4. Hypothyroidism: thyroxine replacement therapy such as levothyroxine is needed. The medication should be taken for life. The above medications should be taken under the supervision of a doctor. If you have symptoms of chills, you should seek medical advice and treatment under a doctor’s supervision, and should not use medicines arbitrarily to avoid delaying your condition.