王女士上周打来电话说,儿子每到夏天就流鼻血,不知是什么原因引起的,如何处理?近日,记者就此咨询了郑州市第一人民医院儿科主任张成云。据介绍,夏天由于气温过高,天气干燥,热气会令鼻腔内的血液加速运行,若 Ms. Wang said by phone last week that her son blew nosebleed every summer. I do not know what causes it. How to deal with it Recently, the reporter consulted Zhang Chengyun, director of the Pediatrics Department of the First People’s Hospital of Zhengzhou City. According to reports, the summer due to the temperature is too high, the weather is dry, hot gas will make the nasal blood to speed up the operation, if