If chills and body aches occur suddenly, the possibility of infectious diseases and fever is high; if accompanied by different symptoms, it is also a sign of different diseases. 1. Generalized chills, caused by the body temperature being higher than the outside world, accompanied by generalized aches and pains, is a symptom of fever. If the adult’s underarm temperature exceeds 37.3℃, it is recognized as fever. 2. chills and body aches accompanied by different symptoms also indicate different diseases: if accompanied by headache, dizziness, runny nose, sneezing, coughing and other symptoms, may be respiratory tract infections; if accompanied by abdominal pain, diarrhea, may be acute gastroenteritis. If accompanied by frequent urination, urinary urgency, urinary pain, may be a urinary tract infection. 3. It may also be typhoid fever, hemorrhagic fever and other types of systemic infections. It is recommended that patients seek timely medical attention and choose cause-specific treatment under the guidance of a physician. Fever caused by colds can use Lianhua Qingdian, acute gastroenteritis and urinary tract infections can be used norfloxacin macrolide antibiotics. During the treatment, keep optimistic mood, eat more fresh vegetables and fruits, drink more water, pay more attention to rest and eat less spicy and stimulating food.