Objective To approach the common etiological factors of chronic prostatitis(CP).Methods A retrospective study on the clinical data of patientswith chronic prostatitis(CP) was carried out fromUrology department of the first people’s hospital of Yunnan Province and the first affiliated hospital of Sun Yat-sen University between July,2005 and July, 2011. All patients were diagnosed as CP based on their clinical manifestation, the NIH-Chronic Prostatitis Symptom Index, prostatic fluid examination, routine urine examination and ultrasound test. The potential common etiological factors of chronic prostatitis of every patient were inquired and recorded by doctors in the clinic service. Results There were 4062 patients diagnosed as CP in the study, while their age ranged from 17 to 64 years old (average age was 31.56±9.06). Analysis of etiological factors in all patients with CP, alcohol drinking and eating stimulatory food, such as hot food, were the major risk factors, accounting for 71.12% (2889 /4315), while irregularity sex life accounting for 53.42%, prolonged sitting accounting for 57.87%, engaged in easily pathogenic occupation accounting for 38.33%, having impure sexual intercourse accounting for 4.01%, and 81 patients (1.99%) had indisposition symptoms aggravated after sexual intercourse. Addtionally, there were 2664 patients (65.58%) with two etiological factors as above-mentioned. Conclusion Alcohol drinking, eating stimulatory food, irregularity sex life, prolonged sitting and engaged in easily pathogenic occupation still are the common etiological factors of chronic prostatitis in China. As the result, individual therapeutic schedule should be made for specific patient.%目的：探讨慢性前列腺炎（CP）可能的常见致病因素。方法回顾性分析2005年7月至2012年7月间云南省第一人民医院（昆明理工大学附属医院）泌尿外科和中山大学附属第一医院泌尿外科门诊就诊的CP患者的临床资料。患者经结合临床表现、国际前列腺炎症状评分指数表（NIH-CPSI）、前列腺液常规、尿液常规、B超等检查诊断为CP。门诊问询并记录患者可能的CP致病因素。结果共4062例经诊断为Ⅱ、Ⅲ型CP的患者纳入研究，年龄17~64岁，平均（31.56±9.06）岁，而CP患者常见的致病因素中，饮酒及食用辛辣等刺激性食物者2889例（71.12%），无规律性生活者2170例（53.42%），长期久坐者2351例（57.87%），从事易发病职业者1557例（38.33%），有不洁性交、冶游史者163例（4.01%），还有81例（1.99%）患者主诉性交后症状明显加重。此外，同时具备至少2项上述因素者2664例（65.58%）。结论目前，饮酒及食用辛辣等刺激性食物、无规律性生活、长期久坐及从事易发病职业仍是国人患CP的常见致病因素。所以对具体患者须行个体化的方案治疗。
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