Symptoms of chronic pharyngitis in children: 1. foreign body sensation in the pharynx, itching and slight pain, dryness and burning; 2. often thick secretions attached to the back wall of the pharynx is not easy to remove, especially at night, “utter” sound, want to remove and then fast. The secretions can cause irritating cough, or even nausea and vomiting. If you see diffuse congestion of the mucous membrane of the pharynx, dark red, with a small amount of mucous secretions, it is chronic simple pharyngitis. The symptoms of chronic hypertrophic pharyngitis can be seen as mucosal thickening, diffuse congestion, or thickening of the palatal arch and soft palate margins, and lymphatic follicles with numerous granular protrusions on the posterior pharyngeal wall. Symptoms of chronic pharyngitis in children are based on pharyngeal discomfort, irritation of thick secretions in the pharynx, causing a violent cough and easy nausea. Pharyngeal examination of the mucosa is edema-like swelling, patchy or lamellar chronic congestion, sometimes visible as small. The posterior pharyngeal wall is often accompanied by a thin layer of mucus or a mucus mass containing air bubbles. The uvula can be thickened, such as earthworm-like drooping, and contact with the root of the tongue. The danger of pediatric pharyngitis 1, suffering from chronic pharyngitis children often feel discomfort in the throat, a little cold, tired, or talk more, longer without water, will feel sore throat, burning aggravated, pharyngeal itching causes bouts of irritating cough, affecting rest, thus affecting learning and growth. 2, if pathogenic bacteria and toxins invade the blood circulation, it may cause systemic complications, such as acute nephritis, sepsis, disease, etc., which is immeasurably harmful to the body. The correct prevention and control methods: 1. Eliminate various pathogenic factors, such as the treatment of systemic, treatment of sinusitis. If the child has these diseases, take the child to treatment in a timely manner. 2, pay attention to pediatric nutrition, enhance physical exercise. 3, avoid stimulating food, do not let the child stay in the environment with dust or irritating gas. 4, pediatric colds and flu must be treated seriously and completely cured.