Repeated fever around 38°C with no cough or nasal discharge may be caused by acute inflammation or may be related to other infectious diseases. When suffering from some infectious diseases, especially infectious diseases other than respiratory system, such as urinary tract infection, meningitis, etc., due to the presence of infection, it will also cause the patient to have a repeated fever of about 38 ℃, and no cough and no nasal discharge, without timely treatment, the body temperature may continue to increase, and may even be as high as 39 or 40 ℃. In addition, some non-infectious diseases, such as connective tissue diseases and malignant tumors, may also cause recurrent fever without cough or nasal discharge. When recurrent fever occurs, it should be taken seriously and medical attention should be sought for a detailed examination to clarify the causative factors and timely treatment to avoid continued aggravation of the lesions.