Red swollen meatballs inside the baby’s nose may be caused by nasal vestibular follicle infection, nasal polyps, hypertrophic rhinitis, etc., which can be treated by medication and surgery. 1. Nasal vestibular follicle infection: if the baby often picks his nostrils, it may lead to nasal vestibular mucous membrane infection, mucous membrane ulceration, and there is a red swollen meatball inside the nose. It can be treated under the guidance of the doctor by applying local ointment, such as mupirocin cream and erythromycin ointment. 2. Nasal polyps: If there is a red swollen meatball inside the baby’s nose, it may also belong to the nasal polyps, when the polyps are more, larger, accompanied by infection, can present a red swelling. Polyps can be removed through nasal endoscopic surgery. 3. Hypertrophic rhinitis: when the baby suffers from hypertrophic rhinitis, under the stimulation of inflammation, there may be nasal mucosal congestion, edema, etc., resulting in red swollen meatballs inside the nose. It can be treated by surgical methods, such as partial bilateral inferior turbinate resection and inferior turbinate plasma ablation. When there is a red swollen meatball inside the baby’s nose, parents should immediately take the baby to the hospital for examination, and after a clear diagnosis, the doctor will give the correct treatment.