慢性鼻炎是发病率高而又很难治疗的疾病。70年代兴起的液氮冷冻治疗法治疗慢性鼻炎疗效确切,但其治愈率一般报告不到50％,且疗程较长,需要2～4次为一疗程。笔者通过临床研究,对本病冷冻治疗技术及适应症选择等方面作了若干改进,使其疗效有所提高,治疗次数也减为1～2次。报告如下。 Chronic rhinitis is a disease with high incidence but difficult to treat. The rise of 70 years of liquid nitrogen cryotherapy for the treatment of chronic rhinitis exact effect, but the cure rate is generally reported less than 50%, and longer course of treatment, you need 2 to 4 times for a course of treatment. The author through clinical research, the treatment of frozen disease technology and indications such as selection made some improvements, so that its efficacy has increased, the number of treatment was reduced to 1 or 2 times. The report is as follows.