Low fever, cough and sputum are not necessarily pneumonia. The above symptoms are common respiratory symptoms, which can be seen in a variety of other respiratory diseases, such as acute bronchitis, acute upper respiratory tract infections, sinusitis, pneumonia, tuberculosis, etc. In addition, the patient may have a low fever, cough and sputum. It is recommended that the patient go to the hospital for consultation, according to the symptoms or the corresponding test results, such as chest X-ray, blood test or other biochemical tests, to clarify the disease. If the patient has a cough with nasal congestion, runny nose, runny nose, headache, etc., it may be sinusitis; if the patient has a cough, sputum with chest pain, etc., it is considered to be a lower respiratory tract infection. If the diagnosis of pneumonia is confirmed, there is no need to be nervous, and the disease can be cured with regular treatment.