Pregnancy complicated with hematological disorders can lead to adverse maternal and neonatal outcomes.The illness condition should be evaluated comprehensively before pregnancy and the indication of conception should be carefully estimated.The primary disease should be closely monitored during pregnancy and the indications of therapeutic intervention to maintain the safety level of three series of peripheral blood cell is essential to get a good prognosis.Besides，delivery should be well planned，especially the blood supply.The time and method of pregnancy termination are according to the severity of the disease and obstetric conditions.Postpartum hemorrhage and infection should be prevented after delivery.