Ancylostomiasis of 71 cases of hospitaliztion infants from 1957 to 1986. Boy 38 cases

girl 33 cases. Clinical symptom had manifested from postnatal 12 days to 8 months

there was no significant seasonal diffcreation. All ps-tients are from rural area. Congenital infection 3 cases (4.2%)

acquired infection 68 cases(95.8%). All patients had seen progress facies pallor association hypotrophy and maldeveloment with or malnutrition. These patients had presented diarrhea or black stool or stool bloody. Blood examination of these patients had showed microeryocyte hypochromic anemia

most patients had elevated markedly eosinophilia; stool examination had deen found Hookworm egg with or adult. All patients had beed treated with drug

cure 68 cases (95.8%)

death 3 cases(4.2%)