Holstein cows being raised in the Kangweon district were examined on the values of hematology in infertile cows. The results obtained were as follows; 1. Erythrocyte count was 6.23$pm$1.49$ imes$106/㎣ 2. Hemoglobin was 10.6$pm$2.00g/100ml 3. Hematocrit was 29.68$pm$3.27ml/100ml 4. Mean corpuscular volume was 49.4$pm$12.1$mu$3 5. Mean corpuscular hemoglobin was 17.3$pm$3.73pg 6. Mean corpuscular hemoglobin concentration was 35.7$pm$6.37% 7. Thrombocytes were 324.06$pm$88.11$ imes$103/㎣ 8. Total leukocytes was 8.70$pm$2.23$ imes$103/㎣ 9. Neutrophils, lymphocytes, monicytes, eosiniohils and basophis were 34.44$pm$6.39, 53.82$pm$5.84, 2.17$pm$2.18, 9.10$pm$3.85 and 0.50$pm$1.80%, respectively.