If a child has recurrent fever symptoms, parents need to pay attention and actively look for the cause, which can be a simple matter of improper care or may hide a serious disease. More common is a bad surrounding environment where repeated respiratory infections in multiple people, including family members, can easily spread the disease to the child. Another is that there are many bad habits that can easily make a child feverish, such as children sleeping too late, eating irregularly, overeating, etc., which can easily lower the resistance and also easily induce a cold and fever. Some children have underlying diseases, such as allergic rhinitis, which can easily cause nasal congestion, runny nose, etc., which can cause fever in a few days complicated by respiratory infections. Only a small percentage of children have low innate immunity, which can easily cause fever due to repeated infections in various areas. For example, upper respiratory tract infections, bronchitis, pneumonia, urinary tract infections, and even neurological infections can cause fever. In conclusion, most of the fever in children is a problem of care, which can be gradually reduced by effective improvement of living habits. If the child has repeated fever and the parents cannot find the cause, it is recommended to consult a doctor as soon as possible to find the cause and treat it symptomatically with the help of a doctor.