对性病门诊５２３例患者的泌尿生殖道标本进行了支原体培养和药敏及沙眼衣原体检测。结果：支原体培养阳性者１５５例（２９．６％），ＵＵ感染为１２２例（２３．３％），显著高于ＭＨ感染（５例，１．０％）和ＵＵ＋ＭＨ混合感染（２８例，５．４％）（Ｐ＜０．０１）。在１５５例支原体培养阳性患者中合并ＣＴ感染者２５例（１６．１１％），９４．８％的患者有不同程度耐药。作者对上述病例不同性别、年龄的支原体感染、合并感染对药敏结果进行了分析与讨论 The genitourinary tract specimens of 523 STD patients were tested for mycoplasma culture, drug sensitivity and Chlamydia trachomatis. Results: 155 cases (29.6%) were positive for mycoplasma culture, 122 cases (23.3%) were UU infection, which was significantly higher than that of MH infection (5 cases, 1.0%) and UU + MH mixed infection .4%) (P <0.01). In 155 cases of mycoplasma culture positive patients with CT infection in 25 cases (16.11%), 94.8% of patients with varying degrees of resistance. The author of the above cases of different gender, age, mycoplasma infection, the infection of the drug susceptibility results were analyzed and discussed