Sinusitis in a small child of 5 years old, mostly caused by bacterial infection, can be relieved by antibiotic treatment as well as glucocorticoid treatment, etc., while daily care should be strengthened. 1. Antibiotic treatment: If the 5-year-old child is clearly a bacterial infection of sinusitis, you can use cephalosporin antibiotics under the guidance of a professional doctor to prevent and control complications, such as cefaclor. 2. Glucocorticoid treatment: 5-year-old small children with sinusitis, the nose local use of glucocorticoids can relieve the inflammation of the nasal mucosa, but also effective treatment of sinusitis, such as mometasone furoate nasal spray and so on. In addition to drug treatment, sinusitis children also need to strengthen the daily care, such as pay attention to warmth, prevent colds, maintain indoor air circulation and hygiene, drink more water. Parents are advised to take their children to the hospital in time to complete the relevant examinations and choose the appropriate treatment plan. The medication should be in accordance with the doctor’s instructions.