雷诺现象的80％～95％在全身性红斑狼疮和进行性全身硬化中发现。雷诺现象是指由于外周血管痉挛而呈发作性指缺血，临床表现为节段性指苍白、青紫，受冷后指趾发红。22例进行性全身硬化和雷诺现象病例，口服硝苯地平10mg，或皮肤敷贴硝酸甘油贴片5mg，或口服卡托普利25mg，各药 80% to 95% of the Renault phenomenon is found in systemic lupus erythematosus and progressive systemic sclerosis. Renault phenomenon refers to the occurrence of peripheral vasospasm and refers to the fingers of ischemia, the clinical manifestations of segmental refers to pale, purple, cold finger toe redness. 22 cases of progressive systemic sclerosis and Raynaud’s phenomenon, oral nifedipine 10mg, or the skin with nitroglycerin patch 5mg, or oral captopril 25mg, the various drugs