本文报告52例老年肺炎,有症状复杂,起病缓慢,典型者少,消化系及精神神经系症状较多等临床特点.大多数患者有基础病,基础病越多并发症亦越多,以心律紊乱、低氧血症、周围循环衰竭及水和电解质紊乱为多见,因此在治疗中除合理选择抗生素外,氧疗并发症的处理甚为重要. This article reports 52 cases of elderly pneumonia, the symptoms are complex, with a slow onset, typical less, more symptoms of the digestive system and neurological symptoms and other clinical features.Most patients with underlying disease, the more basic diseases, the more complications Arrhythmia, hypoxemia, peripheral circulatory failure and water and electrolyte disorders are common, so in the treatment of rational choice of antibiotics, the treatment of complications of oxygen is very important.