It is more common for children to have a cough after the fever has gone down, and the following aspects of treatment should usually be taken into account: first, the child should be given cough and phlegm-suppressing Chinese medicine or western medicine to treat the cough and reduce the child’s discomfort; second, some children have a lot of phlegm, increased airway reactivity, and even cough and shortness of breath, so they can do nebulization, such as nebulization treatment with budesonide nebulizer solution plus salbutamol nebulizer solution; third. If the cough is prolonged, you can take montelukast sodium chewable tablets at bedtime; fourth, you should also treat the cause at the same time, if the cough is caused by a bacterial infection, you should take oral antibiotic treatment, if it is a viral infection, it is usually symptomatic treatment, you can also take antiviral oral solution and other Chinese medicines to antiviral treatment. Finally, it is important to pay attention to good dietary management, as cough sensitivity increases after the fever is reduced, it is important to avoid the intake of allergy-prone foods, and you should also avoid entering allergy-prone environments to avoid aggravating the cough.