我们于1985年对新生儿期有明显黄疸的患儿,因感染住院的贫血患儿以及表现为急性溶血性贫血的患儿进行高铁血红蛋白还原试验(MHb)测定,现将MHb值低于74%的44例患儿的临床情况作一报告。临床资料44例中男30例,女14例,男女之比为2.1:1。年龄最小者为出生后24小时内,最大者3岁。父母双方均为客家籍者22例(50%),父母一方为客家籍一方为广州籍者15例(34%),父母双方均为 We carried out a methemoglobin reduction test (MHb) in 1985 in children with neonatal jaundice, inpatients with anemia and in children with acute hemolytic anemia, and now have MHb values ​​below 74% Of 44 cases of children made a report on the clinical situation. Clinical data of 44 cases, 30 males and 14 females, male to female ratio of 2.1: 1. Within the first 24 hours after birth, the youngest person is 3 years old. 22 cases (50%) of both Hakka and Hakka were parents, 15 cases (34%) of Hakka family members were Guangzhou Citizens and both parents were