Dry cough and fever can be seen in acute bronchitis, obstructive pneumonia of lung cancer, as well as tuberculosis and interstitial pneumonia. For the specific disease, it is recommended to have a chest CT, blood tests, C-reactive protein, etc. to clarify the condition and then carry out symptomatic treatment. Each disease is treated differently. At the same time, individuals should pay attention to rest and prevent getting cold. Eat less spicy and stimulating food, more fresh vegetables and fruits, and more protein to strengthen the body and increase the body’s resistance.