鼻腔是人体呼吸道的门卫,它担负着阻止细菌、病毒等各种病原微生物入侵和湿润空气的作用。可是孩子却往往不知如何善待自己的“卫兵”,如果家长和老师能够教孩子掌握一些正确的处理方法,及时准确地采取措施,就可以避免或减少一些伤害事故。·鼻出血勿抬头小儿鼻腔粘膜娇嫩,毛细血管极为丰富,可又缺乏软组织的保护,稍受刺激就会流血。孩子鼻出血后应立即让孩子低下头来,因为鼻出血多发生在鼻腔前方,如果抬头,血就会流到鼻腔后方、口腔、气管甚至肺部,轻者可致气管 Nasal cavity is the guard of the human respiratory tract, it is responsible for preventing the invasion of bacteria and viruses and other pathogenic microorganisms and the role of humid air. However, children often do not know how to treat their “guards,” and if parents and teachers can teach their children to take proper measures and take timely and accurate measures, some injuries can be avoided or reduced. · Nosebleed do not look up Children’s nasal mucosa is delicate, the capillary is extremely rich, but the lack of soft tissue protection, a little stimulation will bleed. Children should be immediately after the nosebleed children bow head down, nosebleeds occurred in front of the nose, if the rise, the blood will flow to the rear of the nose, mouth, trachea and even the lungs, the light can cause trachea