作者在31年临床工作中从病灶感染角度注意观察对一些疾病的发病机理和疗效。在一些病例并用激素和抗菌素时病情被控制,而激素减量或停用时又复发,因此作者认为病灶感染为病因,而清除感染的病灶后获得痊愈。作者列举的病灶主要是扁桃体炎和龋齿;列举的疾病有:多形渗出性红斑,结节性红斑,跟、口、生殖器三联症,皮肌炎,系统性红斑性狼疮,急性肾炎,风湿热,腮腺 The author in 31 years of clinical work from the perspective of focal infection to observe the pathogenesis of some diseases and efficacy. In some cases with hormones and antibiotics when the disease is controlled, and hormone reduction or relapse when disabled, so the authors believe that the lesion infection as the etiology, and clear the infected lesions recovered. The lesions listed by the authors are mainly tonsillitis and dental caries; the listed diseases are erythema multiforme, erythema nodosum, heel, genital triad, dermatomyositis, systemic lupus erythematosus, acute nephritis, rheumatism Hot, parotid gland