Patients with sudden chills but normal body temperature and no fever may have cold symptoms due to cold or overexertion, resulting in low immunity, accompanied by different degrees of nasal congestion, runny nose, nausea, vomiting or body aches, weakness, shortness of breath and other related symptoms. Patients with this condition should pay attention to rest, avoid overexertion, drink warm water, maintain emotional stability, do not be too nervous, especially pay attention to warmth to avoid the second cold, you can eat more fresh fruits and vegetables to keep the body hydrated. Of course, you can also take cold and flu medicine for treatment, often in a combination of Chinese and Western medicine, oral aminogarax capsules or even flowers Qing Fei Fei capsule, four seasons of anti-viral oral liquid have a better treatment effect. If you don’t get better after these methods, you should go to the hospital to find out the cause of sudden generalized chills and do relevant tests including routine blood, urine, biochemistry, ultrasound, etc.