1资料与方法1.1临床资料2009年1月至2010年5月,我们共诊治172例圆珠形鼻腔异物,176侧鼻孔。其中男93例,女79例;1.5~8岁,平均4.7岁;左侧鼻腔97例,占56.4%;右侧鼻腔72例,占41.9%;双侧鼻腔3例,占1.7%。异物位于总鼻道者127例,位于下鼻道者45例;位于鼻腔前2/3段137例,鼻腔后1/3段38 1 Materials and Methods 1.1 Clinical data January 2009 to May 2010, we treated a total of 172 cases of round beads nasal foreign body, 176 lateral nostrils. There were 93 males and 79 females, 1.5 to 8 years old, with an average of 4.7 years old. 97 cases of the left nasal cavity accounted for 56.4%, 72 cases of the right nasal cavity accounted for 41.9%, and 3 cases of bilateral nasal cavity accounted for 1.7%. There were 127 cases with foreign body located in the total nasal passages and 45 cases located in the inferior nasal passages. 137 cases were located in the first two thirds of the nasal cavity,