我科门诊对253例风疹患儿进行系统观察。其中4例于一周时四肢皮肤出现针尖样出血点而收住院。入院后血小板计数均在(20～50)×10~9/L,第2周(60～70)×10~9/L,4周时上升至>100×10~9/L,8周后达>150×10~9/L。2例查骨髓象呈增生旺盛,产板巨核细胞减少,未成熟颗粒型巨核细胞增多(全片62个);并查风疹抗体IgM、IgG均(+)。治疗 Our department outpatient observation of 253 cases of rubella children. Four of them showed needlepoint-like bleeding at the limbs in one week and admitted to the hospital. After admission, the platelet count increased from (20 ~ 50) × 10 ~ 9 / L, the second week (60 ~ 70) × 10 ~ 9 / L and the fourth week increased to> 100 × 10 ~ 9 / 150 × 10 ~ 9 / L. In 2 cases, bone marrow hyperplasia was found, proliferation of megakaryocyte on the plate was reduced, immature granular megakaryocytes increased (62 pieces in total), and IgM and IgG were detected (+). treatment