Swelling and pain in the child’s nose may be caused by trauma, tumor and other reasons. 1. Trauma: If the child suffers from external force, resulting in localized nose injury, pain in the nasal cavity may also occur, which may be accompanied by local swelling at the same time. 2. Tumor: If there is a tumor growth inside the nose, the tumor will cause swelling and pain in the internal tissues of the nasal cavity under the influence of the disease. After the tumor increases in size, it will also press on the tissues and nerves in the nasal cavity, causing pain and swelling. Swelling and pain in the child’s nose can also be seen in other diseases, it is recommended to go to the hospital in time, follow the doctor’s instructions for treatment, to avoid delaying the condition.