本文对我院近年收治的222例继发性免疫缺陷者细菌感染进行了临床与细菌学研究。继发性免疫缺陷者细菌感染的特征是:1.大多起病缓慢;2.多数体温正常,或仅有低、中度发热;3.白细胞总数大多正常,但嗜中性粒细胞常增高;4.以医院内感染为主;5.常有诱因存在;6.以败血症,腔道及创面感染多见;7.主要致病菌是金葡菌及其L型;8.多种菌混合感染较常见。 In this paper, 222 cases of secondary immunodeficiency in our hospital in recent years, bacterial infection in clinical and bacteriological studies. Secondary immune deficiency bacterial infection is characterized by: 1. Mostly slow onset; 2. Most of normal body temperature, or only low and moderate fever; 3. The total number of white blood cells are mostly normal, but often increased neutrophils; 4. In hospital-based infection; 5. Often incentives; 6. In sepsis, cavity and wound infections more common; 7. The main pathogen is Staphylococcus aureus and its L-type; 8. A variety of bacteria mixed Infection is more common.