儿童常常容易流鼻血,有时是一侧出血,也有双侧鼻出血或交替出血的现象。有时出血量较多,一时难以止住。鼻腔中最常出血的部位在鼻中隔前下方,这儿毛细血管网丰富,称为利特氏区。一年之中在春、秋、冬三季易发生鼻出血,这是因为这些季节气候干燥,鼻粘膜毛细血管较脆裂,容易出血。也有的儿童喜欢用手指抠鼻孔,也可造成鼻前庭炎和 Children often nosebleeds, and sometimes one side of the bleeding, there are bilateral nasal bleeding or alternating bleeding phenomenon. Sometimes more bleeding, sometimes difficult to stop. The most common site of nasal bleeding below the nasal septum, where the capillary network is rich, known as Litvinka area. One year in the spring, autumn and winter prone to epistaxis, it is because these seasons dry, nasal mucosa capillary more brittle, easy to bleeding. Some children like to use their fingers to pull the nose, can also cause nasal vestibules and