发热是红斑狼疮病人的一个常见症状，它既是疾病本身活动的衰现，也可以是隐性感染的指征之一。因感染是红斑狼疮的主要诱发因素和致死原因，红斑狼疮的一些表现，例如关节炎、肺炎、脑膜炎、浆膜炎等也可因感染所引起，使处理复杂化，因此鉴别发热是由于活动的红斑狼疮还是感染所至，甚关重要。 Fever is a common symptom in patients with lupus, which is both a deteriorating activity of the disease itself and one of the indications of latent infection. Because infection is a major predisposing factor and the cause of death of lupus, some manifestations of lupus such as arthritis, pneumonia, meningitis, serositis and the like may also be caused by infection and complicate the treatment, so the identification of fever is due to activity Lupus or infection, is very important.