原发性血小板减少性紫癜(ITP)血甲状腺激素的改变迄今国内外未见报道。本文采用放射免疫法对31例健康人和52例ITP病人进行了T_3,T_1,TSH检测,发现病人TSH正常,T_3,T_4明显降低,其水平不受性别、病程、外周血像和PAIgG浓度的影响。这种改变系与正常甲状腺病态综合征(ESS)有关,是机体在ITP疾病时的选择性适应, So far, no change has been reported in thyroid hormones of idiopathic thrombocytopenic purpura (ITP) at home and abroad. T_3, T_1 and TSH were detected by radioimmunoassay in 31 healthy people and 52 patients with ITP. The results showed that patients with normal TSH, T_3 and T_4 were significantly reduced, and their levels were not affected by gender, course of disease, peripheral blood picture and PAIgG concentration influences. This change is associated with normal thyroid syndrome (ESS), is the body’s selective adaptation to ITP disease,