慢性肾小球肾炎是一种变态反应性疾病，迁延不愈可导致肾功能衰竭。系统性红斑狼疮是一种弥漫性结缔组织病，通常累及肾引起肾炎。两种疾病虽有本质的不同，但也有肾功能障碍的共同特点，且都会引起肺功能损害［1,2］，现将慢性肾功能衰竭和狼疮性肾炎患者肺功能损害情况作比较 Chronic glomerulonephritis is an allergic disease, which can lead to renal failure. Systemic lupus erythematosus is a diffuse connective tissue disease that usually affects kidney-induced nephritis. Although the two diseases are essentially different, but there are common features of renal dysfunction, and can cause lung damage [1,2], now chronic renal failure and lupus nephritis in patients with lung function impairment compared