Chills, fever and body aches are usually symptoms of a cold, such as a bacterial cold, when bacteria invade the body to produce an immune response, the body will produce antibodies to eliminate excess bacteria, the body will produce antibodies in the process will cause the body to heat up, resulting in the hypothalamus central temperature adjustment point up. When the body is infected with a virus, a large number of viruses enter the bloodstream and cause the body to become cold, resulting in chills, shivering and reduced physical performance. Therefore, in the case of mixed bacterial and viral colds, the body temperature will rise and fall, and the person’s self-conscious symptoms will be chills and fever. After the virus and bacteria have completely invaded the body, the body will feel sore all over the body, and the body will also produce specific antibodies for specific rejection of the bacteria and virus, so the body will feel sore and weak all over the body. At this time, you need to stay in bed and drink a lot of boiled water, pay attention to keep warm, eat more nutritious food to enhance the body’s immunity, at the same time, you should take oral antibacterial and antiviral cold medicine symptomatic treatment.