Dry cough and fever may be caused by respiratory infectious diseases. Inflammatory stimulation will lead to tracheospasm, and the release of heat source will cause fever. Dry cough and fever should be considered to be related to respiratory infectious diseases. The patient may have obvious cough due to tracheospasm caused by virus, bacteria and other microbial infections. Because the airway mucosa does not secrete mucus, it is usually dry cough. In addition, microbial infection will lead to the release of heating source, and patients may have obvious fever. Timely inspection is recommended for the above situations. If it is bacterial infection, you can give cefaclor, moxifloxacin and other drugs for symptomatic treatment. During disease treatment, pay attention to rest and avoid excessive intake of spicy and irritant food, otherwise it may aggravate the symptoms of the primary disease.