Allergic rhinitis is a very common cause of allergic rhinitis, often followed by itching of the nose, eyes and ears. 3. Infection: Some children suffer from rhinosinusitis, especially acute attacks can lead to capillary anger in the nasal cavity, excessive pressure can cause capillary wall rupture, causing repeated bleeding. 4. nasal foreign body: children are very curious about new things, especially brightly colored small things, get their hands will be to the nose, mouth, ears, Foreign body embedded in the nasal cavity may cause damage to the nasal mucosa, infection, followed by pus and blood snot.5. Systemic diseases: a common episode on TV is the main character inexplicably appears nose bleeding or bleeding in the mouth when brushing teeth, the final conclusion is believed to be able to guess one or two: “leukemia”. Leukemia is a disease of the blood system, due to a sharp decrease in the number of platelets or a rapid decline in blood clotting function resulting in bleeding throughout the body, including nosebleeds. It is important to note that leukemia can cause nosebleeds, but nosebleeds are not necessarily leukemia. Where are children most likely to bleed? In general, the most common site of bleeding in children is at the front of the nasal cavity near the midline of the nasal septum, which we call the “Little′s area,” one of the most capillary-rich areas. It is important to understand this issue because it involves how to quickly save yourself by compressing the bleeding point. How to take first aid measures when bleeding? — Parents 1 lean forward and do not swallow the bleeding * otherwise the blood may flow into the trachea or stomach 2 press on the nose for 5-10 minutes and repeat. –1 detailed rhinological examination to find the cause including: anterior rhinoscopy nasal endoscopy blood tests CT, etc. 2 medications gentamycin eye ointment can effectively improve the bleeding caused by minor mucosal erosion inflammation 1% ephedrine nasal drops can be used for a small amount of nasal mucosal bleeding, children need to dilute to 0.5%, short-term use physiological seawater nasal spray for all types of dry nasal mucosa, chronic inflammation, allergies caused by bleeding effective disadvantages: Self-financed, expensive 3 nasal filling Merocel swelling hemostatic sponge advantages: rapid hemostasis disadvantages: severe nasal congestion, headache, lacrimation calcium alginate advantages: soft, strong ability to absorb blood disadvantages: the bleeding point compression effect is not good iodoform gauze advantages: hemostasis sterilization disadvantages: nasal congestion, mucosal irritation is large anterior and posterior nostril filling is suitable for general nasal filling to stop bleeding cases disadvantages: the patient is unusually painful 4 Minimally invasive nasal endoscopic surgery preoperative and postoperative hemostasis: electrocoagulation microwave low temperature plasma absorbable hemostatic material …… Advantages 1, endoscopic find bleeding point, rapid and precise hemostasis 2, avoid the pain of nasal stuffing 3, shorten the treatment cycle, saving costs 4, the age of children receiving treatment is recommended to be more than 6 years old think about the doctor nasal bleeding when maintaining such a position is correct?