Patients with fever who want to seek help online need to provide the following information 1, age; 2, the trigger, fever time, regularity, how many degrees, accompanying symptoms, such as cough, abdominal pain, etc.; 3, hospital tests, such as blood tests are the basic tests; 4, the doctor’s advice, with the drug. The vast majority of fever is related to infection, anti-infection treatment will improve, but not immediately, there is a process, can immediately reduce the fever of the drug only to treat the symptoms but not the root cause, such as Tylenol. A fever of more than 3 weeks requires consideration of other causes, such as atypical pathogenic bacterial infections, which requires a regular hospital visit to improve more tests. In particular, it is important not to use medication until the diagnosis is clear or the relevant tests are completed. In order not to interfere with the diagnosis. Do not go around looking for a clinic for infusion on your own.