Children’s long-term nasal congestion may be caused by nasal foreign body, rhinitis, tonsil inflammation and other reasons, according to the cause of the choice of saline cleaning, antibiotics and glucocorticoids and other drugs to relieve. 1. Nasal foreign body: food, small toys mistakenly into the nasal cavity, or nasal secretions are not timely cleaned up, can cause long-term nasal congestion in children, can be combined with the rhinoscopy, timely cleaning of foreign bodies, or the use of saline regular cleaning and other relief. 2. Rhinitis: may be caused by a variety of reasons of children’s nasal mucosa or submucosal tissue inflammatory reaction, is a common disease in children, including allergic rhinitis and infectious rhinitis common. Combined with bacterial infection, can follow the doctor’s instructions to use penicillin antibiotics, chronic nasal cavity can be localized use of glucocorticoid therapy. 3. Inflammation of the tonsils: the inflammation of the tonsils spread to the surrounding mucosa, may develop upward to affect the nasal cavity and the mucosa of the nasopharynx, resulting in localized swelling and inflammation of the nasal cavity, triggering children’s long-term nasal congestion. Acute tonsillitis can be treated with antibiotics or glucocorticoids, while surgery to remove the tonsils can be considered for chronic tonsillitis. Children with chronic nasal congestion are advised to go to the hospital as soon as possible for relevant examinations and actively receive treatment, do not self-medication to avoid deterioration of the condition.